Celestial bodies orbiting around the sun or other stars.
Creation and development of bodies within solar systems, includes study of early planetary geology.
Planet that is the third in order from the sun. It is one of the four inner or terrestrial planets of the SOLAR SYSTEM.
The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to space itself, the moon, or other planets.
The science concerned with celestial bodies and the observation and interpretation of the radiation received in the vicinity of the earth from the component parts of the universe (McGraw Hill Dictionary of Scientific and Technical Terms, 5th ed)
The interdisciplinary science that studies evolutionary biology, including the origin and evolution of the major elements required for life, their processing in the interstellar medium and in protostellar systems. This field also includes the study of chemical evolution and the subsequent interactions between evolving biota and planetary evolution as well as the field of biology that deals with the study of extraterrestrial life.
Large bodies consisting of self-luminous gas held together by their own gravity. (From McGraw Hill Dictionary of Scientific and Technical Terms, 6th ed)
Aggregates of matter in outer space, such as stars, planets, comets, etc. and the properties and processes they undergo.
The sixth planet in order from the sun. It is one of the five outer planets of the solar system. Its twelve natural satellites include Phoebe and Titan.
The fourth planet in order from the sun. Its two natural satellites are Deimos and Phobos. It is one of the four inner or terrestrial planets of the solar system.
The process of cumulative change at the level of DNA; RNA; and PROTEINS, over successive generations.
Devices, manned and unmanned, which are designed to be placed into an orbit about the Earth or into a trajectory to another celestial body. (NASA Thesaurus, 1988)
The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil.
The group of celestial bodies, including the EARTH, orbiting around and gravitationally bound by the sun. It includes eight planets, one minor planet, and 34 natural satellites, more than 1,000 observed comets, and thousands of lesser bodies known as MINOR PLANETS (asteroids) and METEOROIDS. (From Academic American Encyclopedia, 1983)
Small solar system planetary bodies including asteroids. Most asteroids are found within the gap lying between the orbits of Mars and Jupiter.
Any solid objects moving in interplanetary space that are smaller than a planet or asteroid but larger than a molecule. Meteorites are any meteoroid that has fallen to a planetary surface. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The eighth planet in order from the sun. It is one of the five outer planets of the solar system. Its two natural satellites are Nereid and Triton.
The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)
Chemical and physical transformation of the biogenic elements from their nucleosynthesis in stars to their incorporation and subsequent modification in planetary bodies and terrestrial biochemistry. It includes the mechanism of incorporation of biogenic elements into complex molecules and molecular systems, leading up to the origin of life.
Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (NASA Thesaurus, 1994)
Travel beyond the earth's atmosphere.
An independent Federal agency established in 1958. It conducts research for the solution of problems of flight within and outside the Earth's atmosphere and develops, constructs, tests, and operates aeronautical and space vehicles. (From U.S. Government Manual, 1993)
An environment simulating one or more parameters of the space environment, applied in testing space systems or components. Often, a closed chamber is used, capable of approximating the vacuum and normal environments of space. (From NASA Thesaurus, 1988) This also includes simulated EXTRAVEHICULAR ACTIVITY studies in atmosphere exposure chambers or water tanks.
The inanimate matter of Earth, the structures and properties of this matter, and the processes that affect it.
Water in its gaseous state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The science of the earth and other celestial bodies and their history as recorded in the rocks. It includes the study of geologic processes of an area such as rock formations, weathering and erosion, and sedimentation. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The relationships of groups of organisms as reflected by their genetic makeup.
The techniques used to produce molecules exhibiting properties that conform to the demands of the experimenter. These techniques combine methods of generating structural changes with methods of selection. They are also used to examine proposed mechanisms of evolution under in vitro selection conditions.
The longterm manifestations of WEATHER. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Theoretical representations that simulate the behavior or activity of systems, processes, or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.
Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form.
The first chemical element in the periodic table. It has the atomic symbol H, atomic number 1, and atomic weight [1.00784; 1.00811]. It exists, under normal conditions, as a colorless, odorless, tasteless, diatomic gas. Hydrogen ions are PROTONS. Besides the common H1 isotope, hydrogen exists as the stable isotope DEUTERIUM and the unstable, radioactive isotope TRITIUM.
Differential and non-random reproduction of different genotypes, operating to alter the gene frequencies within a population.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
The continuous developmental process of a culture from simple to complex forms and from homogeneous to heterogeneous qualities.
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.
Theoretical representations that simulate the behavior or activity of genetic processes or phenomena. They include the use of mathematical equations, computers, and other electronic equipment.
The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.
Genotypic differences observed among individuals in a population.
A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
The process of accumulation of genetic and epigenetic changes over time in individual cells and the effect of the changes on CELL PROLIFERATION.
Changes in biological features that help an organism cope with its ENVIRONMENT. These changes include physiological (ADAPTATION, PHYSIOLOGICAL), phenotypic and genetic changes.
The arrangement of two or more amino acid or base sequences from an organism or organisms in such a way as to align areas of the sequences sharing common properties. The degree of relatedness or homology between the sequences is predicted computationally or statistically based on weights assigned to the elements aligned between the sequences. This in turn can serve as a potential indicator of the genetic relatedness between the organisms.
A set of genes descended by duplication and variation from some ancestral gene. Such genes may be clustered together on the same chromosome or dispersed on different chromosomes. Examples of multigene families include those that encode the hemoglobins, immunoglobulins, histocompatibility antigens, actins, tubulins, keratins, collagens, heat shock proteins, salivary glue proteins, chorion proteins, cuticle proteins, yolk proteins, and phaseolins, as well as histones, ribosomal RNA, and transfer RNA genes. The latter three are examples of reiterated genes, where hundreds of identical genes are present in a tandem array. (King & Stanfield, A Dictionary of Genetics, 4th ed)
Remains, impressions, or traces of animals or plants of past geological times which have been preserved in the earth's crust.
The genetic complement of an organism, including all of its GENES, as represented in its DNA, or in some cases, its RNA.
Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.
Family of the suborder HAPLORHINI (Anthropoidea) comprising bipedal primate MAMMALS. It includes modern man (HOMO SAPIENS) and the great apes: gorillas (GORILLA GORILLA), chimpanzees (PAN PANISCUS and PAN TROGLODYTES), and orangutans (PONGO PYGMAEUS).
Functions constructed from a statistical model and a set of observed data which give the probability of that data for various values of the unknown model parameters. Those parameter values that maximize the probability are the maximum likelihood estimates of the parameters.
Warm-blooded vertebrate animals belonging to the class Mammalia, including all that possess hair and suckle their young.
The naturally occurring transmission of genetic information between organisms, related or unrelated, circumventing parent-to-offspring transmission. Horizontal gene transfer may occur via a variety of naturally occurring processes such as GENETIC CONJUGATION; GENETIC TRANSDUCTION; and TRANSFECTION. It may result in a change of the recipient organism's genetic composition (TRANSFORMATION, GENETIC).
A sequence of amino acids in a polypeptide or of nucleotides in DNA or RNA that is similar across multiple species. A known set of conserved sequences is represented by a CONSENSUS SEQUENCE. AMINO ACID MOTIFS are often composed of conserved sequences.

The global topography of Mars and implications for surface evolution. (1/92)

Elevations measured by the Mars Orbiter Laser Altimeter have yielded a high-accuracy global map of the topography of Mars. Dominant features include the low northern hemisphere, the Tharsis province, and the Hellas impact basin. The northern hemisphere depression is primarily a long-wavelength effect that has been shaped by an internal mechanism. The topography of Tharsis consists of two broad rises. Material excavated from Hellas contributes to the high elevation of the southern hemisphere and to the scarp along the hemispheric boundary. The present topography has three major drainage centers, with the northern lowlands being the largest. The two polar cap volumes yield an upper limit of the present surface water inventory of 3.2 to 4.7 million cubic kilometers.  (+info)

Dissociation of CH4 at high pressures and temperatures: diamond formation in giant planet interiors? (2/92)

Experiments using laser-heated diamond anvil cells show that methane (CH4) breaks down to form diamond at pressures between 10 and 50 gigapascals and temperatures of about 2000 to 3000 kelvin. Infrared absorption and Raman spectroscopy, along with x-ray diffraction, indicate the presence of polymeric hydrocarbons in addition to the diamond, which is in agreement with theoretical predictions. Dissociation of CH4 at high pressures and temperatures can influence the energy budgets of planets containing substantial amounts of CH4, water, and ammonia, such as Uranus and Neptune.  (+info)

Is redshift-dependent evolution of galaxies a theoretical artifact? (3/92)

The physical validity of the hypothesis of (redshift-dependent) luminosity evolution in galaxies is tested by statistical analysis of an intensively studied complete high-redshift sample of normal galaxies. The necessity of the evolution hypothesis in the frame of big-bang cosmology is confirmed at a high level of statistical significance; however, this evolution is quantitatively just as predicted by chronometric cosmology, in which there is no such evolution. Since there is no direct observational means to establish the evolution postulated in big-bang studies of higher-redshift galaxies, and the chronometric predictions involve no adjustable parameters (in contrast to the two in big-bang cosmology), the hypothesized evolution appears from the standpoint of conservative scientific methodology as a possible theoretical artifact.  (+info)

Possible ancient oceans on Mars: evidence from Mars Orbiter Laser Altimeter data. (4/92)

High-resolution altimetric data define the detailed topography of the northern lowlands of Mars, and a range of data is consistent with the hypothesis that a lowland-encircling geologic contact represents the ancient shoreline of a large standing body of water present in middle Mars history. The contact altitude is close to an equipotential line, the topography is smoother at all scales below the contact than above it, the volume enclosed by this contact is within the range of estimates of available water on Mars, and a series of extensive terraces parallel the contact in many places.  (+info)

Internal structure and early thermal evolution of Mars from Mars Global Surveyor topography and gravity. (5/92)

Topography and gravity measured by the Mars Global Surveyor have enabled determination of the global crust and upper mantle structure of Mars. The planet displays two distinct crustal zones that do not correlate globally with the geologic dichotomy: a region of crust that thins progressively from south to north and encompasses much of the southern highlands and Tharsis province and a region of approximately uniform crustal thickness that includes the northern lowlands and Arabia Terra. The strength of the lithosphere beneath the ancient southern highlands suggests that the northern hemisphere was a locus of high heat flow early in martian history. The thickness of the elastic lithosphere increases with time of loading in the northern plains and Tharsis. The northern lowlands contain structures interpreted as large buried channels that are consistent with northward transport of water and sediment to the lowlands before the end of northern hemisphere resurfacing.  (+info)

Fullerenes: an extraterrestrial carbon carrier phase for noble gases. (6/92)

In this work, we report on the discovery of naturally occurring fullerenes (C60 to C400) in the Allende and Murchison meteorites and some sediment samples from the 65 million-year-old Cretaceous/Tertiary boundary layer (KTB). Unlike the other pure forms of carbon (diamond and graphite), fullerenes are extractable in an organic solvent (e.g., toluene or 1,2,4-trichlorobenzene). The recognition of this unique property led to the detection and isolation of the higher fullerenes in the Kratschmer/Huffmann arc evaporated graphite soot and in the carbon material in the meteorite and impact deposits. By further exploiting the unique ability of the fullerene cage structure to encapsulate and retain noble gases, we have determined that both the Allende and Murchison fullerenes and the KTB fullerenes contain trapped noble gases with ratios that can only be described as extraterrestrial in origin.  (+info)

Isotopes, ice ages, and terminal Proterozoic earth history. (7/92)

Detailed correlations of ancient glacial deposits, based on temporal records of carbon and strontium isotopes in seawater, indicate four (and perhaps five) discrete ice ages in the terminal Proterozoic Eon. The close and repeated stratigraphic relationship between C-isotopic excursions and glaciogenic rocks suggests that unusually high rates of organic carbon burial facilitated glaciation by reducing atmospheric greenhouse capacity. The emerging framework of time and environmental change contributes to the improved resolution of stratigraphic and evolutionary pattern in the early fossil record of animals.  (+info)

Redox state of Mars' upper mantle and crust from Eu anomalies in shergottite pyroxenes. (8/92)

The oxidation state of basaltic martian meteorites is determined from the partitioning of europium (Eu) in their pyroxenes. The estimated redox conditions for these samples correlate with their initial neodymium and strontium isotopic compositions. This is interpreted to imply varying degrees of interaction between the basaltic parent melts, derived from a source in the martian mantle, and a crustal component. Thus, the mantle source of these martian basalts may have a redox state close to that of the iron-wustite buffer, whereas the martian crust may be more oxidized (with a redox state higher than or equal to that of the quartz-fayalite-magnetite buffer). A difference in redox state of more than 3 log units between mantle and crustal reservoirs on Mars could result from oxidation of the crust by a process such as aqueous alteration, together with a subsequent lack of recycling of this oxidized crust through the reduced upper mantle.  (+info)

Crystallization of the Lunar Magma Ocean has been empirically modeled and its products inferred from sample observations, but it has never been fully tested experimentally. Presented in this study is the first experimental simulation of lunar differentiation. Two end-member bulk Moon compositions are considered: one enriched in refractory lithophile elements relative to Earth and one with no such enrichment. A two-stage model of magma ocean crystallization based on geophysical models is simulated and features early crystal suspension and equilibrium crystallization followed by fractional crystallization of the residual liquid. An initially entirely molten Moon is assumed. The study presented below focuses on the early cumulates formed by equilibrium crystallization, differences in mantle mineralogy resulting from different bulk Moon compositions and the implications for the source regions for secondary lunar magmatism. There are significant differences in the crystallization sequence between the two
Scientists Gain New Insight into Planetary Evolution Scientists recently gained new insight into the evolution of planet formation by creating
Observational studies of gas in protoplanetary disks [Elektronische Ressource] / presented by Andrés Carmona Gonzalez : Dissertationsubmitted to theCombined Faculties for the Natural Sciences and for Mathematicsof the Ruperto-Carola University of Heidelberg, Germanyfor the degree ofDoctor of Natural Sciencespresented byDiplom-Ingenieur, MSc, MA, Andres´ Carmona Gonzalezborn in Bogota,´ ColombiaOral examination: 25 July 2007Observational Studies of Gasin Protoplanetary DisksReferees: Prof. Dr. Thomas HenningDr.
Clement Chamberlain Cafferata was born on 1st September 1885 at 23 Millgate, Newark on Trent, Nottinghamshire, the tenth child out of thirteen born to his parents Redmond and Ellen Cafferata. (1) In 1881, Redmond had taken over the running of the family plaster and gypsum mining company, building up the firm to a high level of prosperity. A reflection of this commercial success came in the familys move to Irnham Hall, in Lincolnshire where, in 1891, Redmonds large family were looked after by a governess and nine servants. (2). Redmond sent most of his sons away to boarding school, and Clement was no exception, following his brothers Cyril and Bernard to Downside School, starting there in April 1896. Clement stayed at Downside for nine years, leaving in July 1905. The Downside magazine, The Raven, said of Clement; he excelled in Natural History studies. He was also looked upon by his companions as an authority on angling. He was a very keen long-distance runner, and would often get a set ...
Earths similar to 3.45 billion year old magnetic field is regenerated by dynamo action in its convecting liquid metal outer core. However, convection induces an isentropic thermal gradient which, coupled with a high core thermal conductivity, results in rapid conducted heat loss. In the absence of implausibly high radioactivity or alternate sources of motion to drive the geodynamo, the Earths early core had to be significantly hotter than the melting point of the lower mantle. While the existence of a dense convecting basal magma ocean (BMO) has been proposed to account for high early core temperatures, the requisite physical and chemical properties for a BMO remain controversial. Here we relax the assumption of a well mixed convecting BMO and instead consider a BMO that is initially gravitationally stratified owing to processes such as mixing between metals and silicates at high temperatures in the core-mantle boundary region during Earths accretion. Using coupled models of crystallization and heat
The Hardcover of the Digital Signal Processing and Statistical Classification by George J. Miao, Mark A. Clements, Mark A. Clements | at Barnes &
Zoom (https://zoom.us/j/97008047431?pwd=QnlaN0tiYk1tZllua3VSQkRPdGIxQT09). Meeting ID: 970 0804 7431. Passcode: TupX51. Abstract: The early Earth experienced large-scale melting owing to giant impacts during the last ...
A few days ago, I was discussing with a friend and he used the term superorganism for Gaia as the Earth Goddess. When I said that Gaia is not a superorganism but a holobiont, he asked me, but what is a holobiont, exactly? I thought about that for a while, and then I said, a holobiont is a democracy, a superorganism is a dictatorship.If you have a friend who is a biologist, try to tell her that Gaia is a superorganism. Likely, she wont be happy and, even if she wont attack you physically, she will at least ask you, venomously, And so, tell me, good sir, how could natural selection have generated this -- ahem-- Gaia of yours? You tell me that there is only one Gaia on this planet and so, in order to evolve, did perhaps different planetary ecosystems in the galaxy competed with each other? I am not inventing this, it is the scathing criticism of the Gaia theory that Richard Dawkins produced in his book, The Extended Phenotype (1982).Given a certain interpretation of Darwins idea, Dawkins
Email. ARLINGTON HEIGHTS, Ill. - Christophe Clement is based in New York. There is no Polytrack in New York. In Summation, who Clement trains, ran a career-best race last month in his Polytrack debut, capturing the Grade 1 Bing Crosby Handicap at Hollywood Park. And that is why In Summation traveled from Saratoga to Arlington on Wednesday night to start in Saturday s $150,000 Arlington Sprint Handicap. Clement was not pleased with In Summations weight assignment - his 124 pounds is 6 to 12 pounds more than six rivals Saturday - but Clement felt he had no option but to ship and run. I had no alternative, really, Clement said. Right now, with Polytrack, dirt, turf, theres not a lot of consistency to the races. You have to go a little bit race by race. In Summation, property of the Waterford Stable, is a 4-year-old Florida-bred son of Put it Back who had 2-year-old success racing in Florida-bred and Florida-sired stakes races during 2005. his first 10 starts came on dirt, but when Clement ...
The Report Card by Andrew Clements demonstrates the often debilitating effects the arbitrary nature of the grading system, especially standardized testing, can have on children. Clements novel is...
OK....for starters these short gap filling posts are becoming quite ridicules, but theres some interesting reading about this bird that revealed something unknown about the return migration routes to Africa amongst other things. And Im not some butch macho type who wouldnt dream of admitting Im pretty cut up with this news about Clement who I sponsored, all a bit sad if you ask me. Find out more about the end of the story of Clement HERE ...
Janice E. Clements, Ph.D. - Janice E. Clements, Ph.D., is a professor of molecular and comparative pathobiology, the Mary Wallace Stanton Professor...
Dr. Karen Clements of Clements Orthodontics is your Kirkland, Bothell, and Woodinville, WA orthodontist providing braces for children, teens, and adults.
MONTREAL †Assistant coach Clement Jodoin is leaving the Montreal Canadiens.. Jodoin, who has been an assistant coach for 10 years in two stints with Montreal, decided on his own to resign, head coach Claude Julien said in a statement.. At our post-season meeting, we offered Clement to remain on our coaching staff, but he indicated to us that at this stage in his career, he would be looking for a change and would like to explore other challenges, Julien said.. Jodoin, 65, served as an assistant coach in Montreal from 1997 to 2003 under Alain Vigneault and Michel Therrien.. He returned when Therrien began his second stint as head coach in 2012 after serving as head coach for one season of the Hamilton Bulldogs, then the Canadiens top farm club.. Julien replaced the fired Therrien on Feb. 14. He was expected to bring in some of his own assistants, as most head coaches do.. Jodoin was an assistant coach with the Pittsburgh Penguins in 1987-88 and for two seasons with the Quebec Nordiques in ...
AA Tau, a classical T Tauri star in the Taurus cloud, has been the subject of intensive photometric monitoring for more than two decades due to its quasi-cyclic variation in optical brightness. Beginning in 2011, AA Tau showed another peculiar variation-its median optical though near-IR flux dimmed significantly, a drop consistent with a 4-mag increase in visual extinction. It has stayed in the faint state since. Here we present 4.7 μm CO rovibrational spectra of AA Tau over eight epochs, covering an 11 yr time span, that reveal enhanced ^(12)CO and ^(13)CO absorption features in the J_low ≤ 13 transitions after the dimming. These newly appeared absorptions require molecular gas along the line of sight with T ~ 500 K and a column density of log (N) ~18.5 cm^(−2), with line centers that show a constant 6 km s^(−1) redshift. The properties of the molecular gas confirm an origin in the circumstellar material. We suggest that the dimming and absorption are caused by gas and dust lifted to ...
From Tuesday, December 27 through Thursday, December 29, 2016, the Department of Biological Sciences of the Graduate School of Science is holding a Molecular Biology Seminar for HS Students -- Giant Impact at School of Science Main building on the Toyonaka campus. During the three-day course in the winter holidays, HS students will be enchanted by bioscience research and enjoy experiments and discussion through genetic engineering experiments with colon bacillus and examinations using an electronic microscope. This course is scientific career education to turn learning into zest for living by providing students with the basics of science workers, problem-discovering ability and problem-solving ability as well as by making them think about the purpose of learning.. ---. This course is intended for science-oriented 2nd and 3rd year high school students. Prior to this course, a separate preliminary seminar will be held.. Participation fee: 9,500 ...
STROMATOLITES were the Breath of Life on earth, producing oxygen, nitrogen, and carbon. Named from the Greek strōma, meaning mattress, and lithos, meaning rock, they are layered accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by microorganisms, especially cyanobacteria, commonly known as blue-green algae. Stromatolites provide some of the most ancient records of life on Earth.Stromatolites were much more abundant on the planet in Precambrian times. One genus of stromatolite very common in the geologic record is Collenia. The earliest stromatolite of confirmed microbial origin dates to 2.724 billion years ago.[3] A recent discovery provides strong evidence of microbial stromatolites extending as far back as 3.450 billion years ago. Stromatolites are a major constituent of the fossil record for about the first 3.5 billion years of life on earth, peaking about 1.25 billion years ago. They subsequently declined in abundance and
The Ocean Acidification Initiative is a multi-year research program designed to answer urgent questions about the potentially devastating impacts of an increasingly acidic ocean on the marine food web and fisheries and the societal repercussions of these environmental changes.
The Gaia Hypothesis Resource Document - Section 2 - Dr James Lovelock and the Formulation of the Gaia Hypothesis - This document presents the research & development resources gathered and annotated concerning the GAIA HYPOTHESIS as presented by the works of Dr James Lovelock and Dr Lynn Margulis, supported by the earlier works of Gregory Bateson and Pierre Teilhard de Chardin, and by a number of contemporary scientists and writers led by Fritjof Capra. This is a major resource compilation which was gathered over time concerning the presentation of the Gaia Hypothesis, its definition and scope, its history and contributors, its application in various fields of the sciences, and its application as the pivotal concept in the foundation of many NewAge doctrines.
For a leading manufacturer and supplier of health supplements you can trust, look to Gaia Herbs Professional Solutions. This company has spent over two decades growing, cultivating, and formulating potent and organic products. Gaia Herbs Professional Solutions combines innovative science with natural ingredients to promote overall health. You can trace every single herb used in their products, allowing you to rest assured that every ingredient is pure; many are even grown on their own Gaia Herb Farm! PureFormulas is proud to offer a wide selection of products from Gaia Herbs Professional Solutions, who have been trusted for more than 26 years ...
Gaia herbs is the leading U.S. manufacturer of liquid herbal extracts of guaranteed quality, and certified organic purity. Since 1987 Gaia Herbs has earned its reputation for unsurpassed quality, authoritative herbal education and innovative product development. Gaia Herbs remains the trusted choice among healthcare professionals and wellness-minded consumers for liquid herbal extracts.Vitamins and Herbs by Major Manufacturers.
The international journal GAIA - Ecological Perspectives for Science and Society writes out the GAIA Masters Student Paper Award.. For this award those Students can apply, which have wrote their Masters theses in the field of transdisciplinary environmental and sustainability science. The award is meant to honor research which holds relevance for important societal transformations and/or which has discovered new paths of inter- and transdisciplinary environmental or sustainability research.. The winners article will be published under open access in GAIA and is connected with a price money of 1.500 EUR (endowed by the Selbach Environmental Foundation) and also with a free one-year subscription to GAIA.. Deadline for submission is the 6 November 2017.. It is recommended to consult a GAIAs guide for authors for information on the journals aims and scope and on manuscript preparation before submission.. Further details can be found here ...
Solid state convection within the Earth s mantle determines one of the longest time scales of our planet. The Earth s mantle, the 2900 km thick silicate shell that extends from the iron core to the Earth s surface, though solid, is deforming slowly by viscous creep over long time periods. While gradual in human terms, the vigor of this subsolidus convection is impressive, producing flow velocities of 1-10 cm/year. Plate tectonics, the piecewise continuous movement of the Earth s surface, is the prime manifestation of this internal deformation, but ultimately all large scale geological activity of our planet, such as mountain building and continental drift, must be explained dynamically by mass displacements within the mantle. A major problem for researchers in computational mantle dynamics is to resolve the Earth s outer 100 km deep skin, or lithosphere. This lithosphere is an integral part of the mantle and thus a 100 km wide spatial resolution has to be achieved throughout the volume. The ...
Most of the former bushwhackers returned to peaceful lives. Many left Missouri for friendlier places, particularly Kentucky, where they had relatives. Most of their former leaders, including Quantrill and William Bloody Bill Anderson, had been killed during the war. But a small core of Andersons men, led by the ruthless Archie Clement, remained together. State authorities believed that Clement planned and led the first daylight peacetime armed bank robbery in U.S. history when he held up the Clay County Savings Association on February 13, 1866. The bank was run by the leading citizens of Clay County, who had just held a public meeting for their association. The governor posted a reward for Clement, but he and his band of outlaws conducted further robberies that year. On election day of 1866, Clement led his men to polling places in Lexington, Missouri, where they intimidated citizens and secured the election of a slate of candidates. A state militia unit entered the town shortly thereafter ...
Anquan Boldin smiled when asked what he thought about Cincinnati Bengals strong safety Taylor Mays matching up against him on Boldins 34-yard touchdown catch in the second quarter of the Ravens 44-13 demolition at M&T Bank Stadium Monday night.. Well take that matchup, the wide receiver said.. Boldin & Co. took advantage of a re-tooled Cincinnati secondary that featured a starter returning from a season-ending injury, a new starting strong safety and a pair of new faces at cornerback. Overall, the starting unit of cornerbacks Leon Hall (sidelined in 2011 by a torn Achilles tendon) and Nate Clements and safeties Reggie Nelson and Taylor Mays (replaced Chris... ...
Financial planning, from savings and investments to tax planning and retirement. Find an Independent Financial Adviser near Terrington St Clement
Dr. Colin Clement is a well known eye specialist who provides glaucoma treatment and surgery at the North Shore Eye Centre in St. Leonards.
Shares by Brennan Clements shared in Ecology Gateway - Index of ecological articles, activities, videos, ebooks, podcasts, terms and everything else
Clements Family Dentistry offers a range of dental services to the Hamilton area. Call us today to learn more about how we can perfect your smile.
Dr Colin I Clement Ophthalmology specialist is providing treatments for all eye related disorders in Sydney, St Leonards, North Shore locations. Find out more about the services offered
In 2002 Jody Clements received a B.Sc in Biomedical Sciences from Sheffield Hallam University and promptly realized that life in a lab was not for him. Leveraging his passion and knowledge for both web development and science he went to work for the Wellcome Trust Sanger Institute, Hinxton (UK). Whilst there he spent his time designing and developing a number of internal and external web applications and teaching scientists about standards compliant and secure web development practices.
He was born, to John and Hannah Lamb, in the parish of St. Clement Danes, Westminster, in 1853, and baptised on 24 July 1853 at the church of St. Clement Danes. His father was born in Waterford, Ireland, in around 1821. He married Hannah Neville (born in Witney, Oxfordshire in 1827) on 20 January 1851 at St. Clement Danes. At the time of that years census, the Lambs were living at 20 Vere Street, St. Clement Danes, with John described as a clerk. They had also already had their first child, Jane, born in 1849. Both John and Hannah were recorded as having been born in Oxfordshire - however, all subsequent census returns gives his place of birth as Ireland. ...
He was born, to John and Hannah Lamb, in the parish of St. Clement Danes, Westminster, in 1853, and baptised on 24 July 1853 at the church of St. Clement Danes. His father was born in Waterford, Ireland, in around 1821. He married Hannah Neville (born in Witney, Oxfordshire in 1827) on 20 January 1851 at St. Clement Danes. At the time of that years census, the Lambs were living at 20 Vere Street, St. Clement Danes, with John described as a clerk. They had also already had their first child, Jane, born in 1849. Both John and Hannah were recorded as having been born in Oxfordshire - however, all subsequent census returns gives his place of birth as Ireland. ...
Connect with Dr. Clement Cheng, MD, Ophthalmology, Santa Cruz, CA. Video chat, send a message, ask a text question, or make a virtual appointment on the doctors Virtual Practice on HealthTap.
Goodridge, Jodie; Jacobs, Benedikt Marcel; Sætersmoen, Michelle Lu; Clement, Dennis; Hammer, Quirin; Clancy, Trevor; Skarpen, Ellen; Brech, Andreas; Landskron, Johannes; Grimm, Christian; Pfefferle, Aline; Meza, Leonardo Zepeda; Lorenz, Susanne; Wiiger, Merete Thune; Louch, William Edward; Ask, Eivind Heggernes; Liu, Lisa L.; Oei, Vincent Yi Sheng; Kjällquist, Una; Linnarsson, Sten; Patel, Sandip; Tasken, Kjetil; Stenmark, Harald & Malmberg, Karl-Johan (2019). Remodeling of secretory lysosomes during education tunes functional potential in NK cells. Nature Communications. ISSN 2041-1723. 10:14, s 1- 15 . doi: 10.1038/s41467-019-08384-x ...
Pediatrician Dennis A. Clements III, M.D., Ph.D., M.P.H., and his wife pediatric dentist Martha Ann Keels, D.D.S., Ph.D., found perfect alignment with their values, philanthropic interests and the unique work being done at the Universitys School of Medicine and Dentistry and Eastman Institute for Oral Health (EIOH).. Half of the commitment-a bequest-will establish the Dr. Dennis A. Clements III and Dr. Martha Ann Keels Student Support Fund. The endowed fund will enable medical students to participate in educational, research and clinical activities in countries with health disparities. Dr. Clements, who serves as chief of Pediatric Primary Care at Duke Childrens Hospital, said the individualized, personal education he received at the University of Rochester really shaped the person and professional hes become.. The University of Rochesters philosophy is one wed like to reinforce and reward, said Dr. Clements, who graduated from the University in 1972 with his medical degree. As a medical ...
Does anyone know anything about Dr. Clements at UCLA? Ive read up on him. The reason I ask is a friend just told me he had some special two week treatmen...
In an exclusive interview with Anderson Cooper, the wife and daughters of the slain Colorado prisons chief, Tom Clements, talk about the crushing loss, their love for him, and why they want to forgive his murderer.
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Currently, no Gaia Acceptance tests exists for MarionetteJS. There are Gaia Integration tests that fulfill this role partly, but we need a better separation between UI testing and the functional testing of the various Gaia components. The Python UI tests currently fulfill the role as Acceptance tests, but developers dont want to write tests in Python and are already used to writing integration tests in MarionetteJS. ...
Research into the dynamics of the lithospheres and interiors of the terrestrial planets through experimental studies of the deformation of rocks at high-temperature and pressure conditions. Investigations of the role of chemical environment, including the role of dissolved water, on the kinetics of mineral reactions and on the deformation behavior of rocks.. Back to Scientific Staff page Dr. Mackwells Home Page , Professional Background , Recent Research , Publications. ...
Principal Investigator:HIRATA Takefumi, Project Period (FY):2006 - 2008, Research Category:Grant-in-Aid for Scientific Research (A), Section:一般, Research Field:Geochemistry/Astrochemistry
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This Offering was inspired by the Sabbath Beltane. Im using the Wheel of the Year as a jumping off point for each offering to honor and deepen our relationship with the seasonal cycles in the Northern hemisphere. Each offering will be available for 1-2 weeks and then will end in time for me to make and ship your garment so that it arrives before that Sabbath. Im so excited to share a more in depth journey into my lifes work as an herbalist, clothing designer, yogini, and environmentalist. It is my hope that through these offering we will connect more deeply with Gaia together.. The Garment Design: The garment design for this offering is the Ritual Aphrodite Kaftan. The Ritual has a v neckline with a thin roll of fabric for adding accent and structure. A Gaia Goddess essential, the Aphrodite is a ceremony worthy choice with a flowy shape that tapers in slightly from wrist to hem.. Spirits: Please scroll down the entire page to see a more in depth list of all involved with the making of this ...
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Fernández, J.A.; Helal, M.; Gallardo, Tabaré (2018). "Dynamical evolution and end states of active and inactive Centaurs". ... Planetary and Space Science. 158: 6-15. arXiv:1805.05994. Bibcode:2018P&SS..158....6F. doi:10.1016/j.pss.2018.05.013. Ortiz, J. ... European Planetary Science Congress. Poster associated with the Singer et al. (2019) EPSC/DPS abstract. ...
... and magmatic evolution". Planetary and Space Science. 47 (3-4): 411-431. doi:10.1016/s0032-0633(98)00141-x. Dohm, JM; Baker, VR ... and magmatic evolution". Planetary and Space Science. United States: United States Geological Survey. p. 21. Retrieved 2019-01- ... "Geology of the Thaumasia region, Mars: Plateau development, valley origins, and magmatic evolution". ResearchGate. Retrieved ... Maruyama, S; Anderson, RC (2007). "Traits and Evolution of the Tharsis Superplume, Mars". Superplumes: Beyond Plate Tectonics. ...
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Evolution of its Climate and Atmosphere. Lunar and Planetary Institute. pp. 20-22. Bibcode:1987meca.symp...20B. Cabrol, N. and ... Lunar and Planetary Science XLVIII. The Woodlands, Texas: Lunar and Planetary Institute. p. 1171. Retrieved 2017-03-26. Costard ... 49th Lunar and Planetary Science Conference 2018 (LPI Contrib. No. 2083). 1928.pdf Luo, W.; et al. (2017). "New Martian valley ... 49th Lunar and Planetary Science Conference 2018 (LPI Contrib. No. 2083). 2839.pdf Mouginot, J.; Pommerol, A.; Beck, P.; Kofman ...
Geomorphologic Evolution of the Zone of Hadriaca Patera in Mars. 46th Lunar and Planetary Science Conference, 2074. "Hadriaca ... List of mountains on Mars List of mountains on Mars by height Volcanoes on Mars "Hadriacus Mons". Gazetteer of Planetary ... Gazetteer of Planetary Nomenclature Solar System portal v t e. ...
The Evolution of Lacustrine Environments on Mars: Is Mars Only Hydrologically Dormant? Icarus: 149, 291-328. Fassett, C. and J ... "Gazetteer of Planetary Nomenclature , Danielson". usgs.gov. International Astronomical Union. Retrieved 5 March 2015. Cabrol, N ... List of craters on Mars Edgett, Ken (May 27, 2009). "The Martian Craters Asimov and Danielson". The Planetary Society. ...
"Coral reef evolution on rapidly subsiding margins". Global and Planetary Change. 66 (1-2): 129-148. Bibcode:2009GPC....66..129W ... Evolution and Zoogeography of Coral Reefs Ecosystems of the World. Vol. 25:1-8. Wells, Sue; Hanna, Nick (1992). Greenpeace Book ... Fratantoni, D.; Richardson P. (2006). "The Evolution and Demise of North Brazil Current Rings" (PDF). Journal of Physical ... Journal of Molecular Evolution. 60 (1): 81-89. Bibcode:2005JMolE..60...81L. doi:10.1007/s00239-004-0138-0. PMID 15696370. S2CID ...
Marine deposits showcase a variety of cetaceans and penguins, illustrating the evolution of both groups into modern ... Earth and Planetary Science Letters. 3: 157-167.. ... "Evolution of Asian monsoons and phased uplift of the Himalaya- ... "Dynamic topography control on Patagonian relief evolution as inferred from low temperature thermochronology". ... "The impact of Miocene atmospheric carbon dioxide fluctuations on climate and the evolution of terrestrial ecosystems" ...
Ruddiman, W.F. (2013). "The Anthropocene". Annual Review of Earth and Planetary Sciences. 41: 45-68. Bibcode:2013AREPS..41... ... Graham, R. W.; Mead, J. I. (1987). "Environmental fluctuations and evolution of mammalian faunas during the last deglaciation ... The research -- published Monday in Nature, Ecology & Evolution journal -- found that 571 plant species have disappeared from ... Journal of Human Evolution. 47 (1-2): 25-63. doi:10.1016/j.jhevol.2004.05.005. PMID 15288523.. ...
Due to planetary differentiation, the core region is believed to be primarily composed of iron (88.8%), with smaller amounts of ... but the planets acquired different compositions during the formation and evolution of the solar system. In turn, the natural ... "The Evolution of the Elements and the Stability of Complex Atoms. I. A New Periodic System Which Shows a Relation Between the ...
a b E. S. Kennedy (1950), "A Fifteenth-Century Planetary Computer: al-Kashi's Tabaq al-Manateq I. Motion of the Sun and Moon in ... Rosheim, Mark E. (1994), Robot Evolution: The Development of Anthrobotics, Wiley-IEEE, m/s. 9-10, ISBN 0471026220. ... sebuah komputer planetary mekanikal yang dapat secara grafik menyelesaikan sebilangan masalah planetary, telah direka oleh al- ... Rosheim, Mark E. (1994), Robot Evolution: The Development of Anthrobotics, Wiley-IEEE, m/s. 9, ISBN 0471026220. ...
There are also "heat-after-death" experiments, where the evolution of heat is monitored after the electric current is turned ... the possible existence of fusion involving hydrogen isotopes in a planetary core.[24] In his original paper on this subject ...
A new approach to mineralogy called mineral evolution explores the co-evolution of the geosphere and biosphere, including the ... November-December 2008). "Mineral Evolution". American Mineralogist. 93 (11-12): 1693-1720. doi:10.2138/am.2008.2955.. ... One such question is how much of mineral evolution is deterministic and how much the result of chance. Some factors are ... In 2011, several researchers began to develop a Mineral Evolution Database.[22] This database integrates the crowd-sourced site ...
Closest Planetary System Hosts Two Asteroid Belts. NASA/JPL-Caltech. [27 October 2008]. (原始内容存档于2009年1月5日).. ... The evolution of habitable zones during stellar lifetimes and its implications on the search for extraterrestrial life. ... Epsilon Eridani's planetary debris disk: Structure and dynamics based on Spitzer and CSO observations. The Astrophysical ...
Trends in Ecology & Evolution. 15 (3): 118-123. doi:10.1016/S0169-5347(99)01780-2. ISSN 0169-5347. PMID 10675932. Archived from ... Annual Review of Earth and Planetary Sciences. 37 (1): 163-179. Bibcode:2009AREPS..37..163C. doi:10.1146/annurev.earth. ... Clack, J.A. (2012). Gaining ground: the origin and evolution of tetrapods (2nd ed.). Bloomington, Indiana, USA.: Indiana ... David M. Hunt; Mark W. Hankins; Shaun P Collin; N. Justin Marshall (4 October 2014). Evolution of Visual and Non-visual ...
"Planetary Boundaries: Specials". Nature. September 23, 2009. Retrieved February 18, 2013.. *^ "IAP (login required)". ... Estimates of population evolution in different continents between 1950 and 2050, according to the United Nations. The vertical ... Schran, Peter (1978). "China's demographic evolution 1850-1953 reconsidered". The China Quarterly (75): 639-646. JSTOR 652987. ... Jean-Noël Biraben (1980), "An Essay Concerning Mankind's Evolution". Population, Selected Papers. Vol. 4. pp. 1-13. Original ...
NASA is investigating the use of swarm technology for planetary mapping. A 1992 paper by M. Anthony Lewis and George A. Bekey ... "Information sharing impact of stochastic diffusion search on differential evolution algorithm." Memetic Computing 4.4 (2012): ... "The evolution of swarm grammars -- growing trees, crafting art and bottom-up design". Computational Intelligence. 4: 10-19. ...
Evolution[edit]. Through evolution Spirit rediscovered itself as Spirit. Evolution follows a developmental trajectory from the ... Giri, Ananta Kumar (2014), Knowledge and Human Liberation: Towards Planetary Realizations, Anthem Press. ... According to Sri Aurobindo, the current status of human evolution is an intermediate stage in the evolution of being, which is ... Yoga is a rapid and concentrated evolution of being, which can take effect in one life-time, while unassisted natural evolution ...
Origin and evolutionEdit. Further information: Timeline of evolution. The age of the Earth is about 4.54 billion years.[34][35] ... Earth and Planetary Science Letters. 47 (3): 370-382. Bibcode:1980E&PSL..47..370M. doi:10.1016/0012-821X(80)90024-2.. ... Sapp, Jan (2009). The New Foundations of Evolution: On the Tree of Life. New York: Oxford University Press. ISBN 0-19-538850-X. ... Sapp, Jan (2009). The new foundations of evolution: on the tree of life. New York: Oxford University Press. ISBN 978-0-199- ...
The Madden-Julian oscillation (MJO) is an equatorial traveling pattern of anomalous rainfall that is planetary in scale. It is ... which led to its evolution into a physical science. ...
Planetary Astronomy from the Renaissance to the Rise of Astrophysics, Part A, Tycho Brahe to Newton. Cambridge University Press ... Lunine, Cynthia J. (1999). Earth: evolution of a habitable world. Cambridge University Press. p. 183. ഐ.എസ്.ബി.എൻ. 0521644232. ... "SEDS/Lunar and Planetary Lab. ശേഖരിച്ചത് 2007-03-10. *↑ Archinal, B. A.; Caplinger, M. (Fall 2002). "Mars, the Meridian, and ... 4.0 4.1 4.2 4.3 4.4 Lodders, Katharina; Fegley, Bruce (1998). The planetary scientist's companion. Oxford University Press US. ...
The Evolution of Brazilian Energy and Agriculture". Technological Forecasting and Social Change. 78 (7): 1147-1157. doi:10.1016 ... "Directed strain evolution restructures metabolism for 1-butanol production in minimal media". Metabolic Engineering. 49: 153- ... Planetary. *Waste. Agreements. *UN Conference on the Human Environment (Stockholm 1972). *Brundtlandt Commission Report (1983) ... creating what is known as Evolution Diesel.[53] ...
Start of widespread Antarctic glaciation.[33] Rapid evolution and diversification of fauna, especially mammals. Major evolution ... Earth and Planetary Science Letters. 223 (3-4): 241-252. Bibcode:2004E&PSL.223..241C. doi:10.1016/j.epsl.2004.04.031.. ... a b c d For more information on this, see Atmosphere of Earth#Evolution of Earth's atmosphere, Carbon dioxide in the Earth's ... This era overlaps the beginning of the Late Heavy Bombardment of the Inner Solar System, produced possibly by the planetary ...
... especially evolution; one of the best known contemporary popular writers on evolution.[175][176] ... Carolyn Porco (1953): American planetary scientist, known for her work in the exploration of the outer solar system, beginning ... "Man's evolution as a neotenous ape has put him in a similar position to the dog's. He becomes sexually mature and yet he still ... R. L. Wysong (1976). "5: Origin of Proteins". The Creation-evolution Controversy (implications, Methodology and Survey of ...
The isolated RNA polymerases were again used for another round of evolution. After several rounds of evolution, they obtained ... Cami, J; Bernard-Salas, J; Peeters, E; Malek, S. E (2010). "Detection of C60 and C70 in a Young Planetary Nebula". Science. 329 ... RNA-based evolution. References[edit]. *^ a b Neveu M, Kim HJ, Benner SA (Apr 2013). "The "strong" RNA world hypothesis: fifty ... "Journal of Molecular Evolution. 73 (1-2): 10-22. Bibcode:2011JMolE..73...10E. doi:10.1007/s00239-011-9453-4. PMC 3223571. PMID ...
Evolution[edit]. It has been recently argued that during years of famine, it may be evolutionarily desirable for an organism to ...
... critics have questioned how natural selection operating on individual organisms can lead to the evolution of planetary-scale ... Lovelock, James (2001) [Gaia Books 1991]. Gaia: The Practical Science of Planetary Medicine. Oxford University Press US. ISBN 0 ... He has many inventions, including a gas chromatograph, which will be used to investigate planetary atmospheres. His ... some of which were designed for NASA in its planetary exploration program. It was while working as a consultant for NASA that ...
Earth and Planetary Science Letters 47 (3): 370-382. doi:10.1016/0012-821X(80)90024-2. Bibcode: 1980E&PSL..47..370M. ... "Reductive evolution of architectural repertoires in proteomes and the birth of the tripartite world". Genome Res. 17 (11): ...
... planetary science, evolution and informatics" to tackle scientific questions.[23] In 2011 the Museum led the setting up of an ...
Von der Entstehung der Erde bis heute, (A short history of climate, From the evolution of earth till today) Herbst, ISBN 3-406- ... J. Schopf: Earth's Earliest Biosphere: Its Origin and Evolution. Princeton University Press, Princeton, N.J., 1983 ... Superimposed on the long-term evolution between hot and cold climates have been many short-term fluctuations in climate similar ... The constant rearrangement of continents by plate tectonics can also shape long-term climate evolution. However, the presence ...
Harpaz, A. (1994). Stellar evolution. A K Peters. p. 105. ISBN 978-1-56881-012-6. Archived from the original on 11 August 2016. ... Griffiths, Martin (2012). Planetary Nebulae and How to Observe Them (illustrated ed.). Springer Science & Business Media. p. 11 ... 3 Formation and evolution *3.1 Gravitational collapse *3.1.1 Primordial black holes and the Big Bang ... Formation and evolution. Given the bizarre character of black holes, it was long questioned whether such objects could actually ...
Introducing a (planetary) reduction gearbox, with a suitable gear ratio, between the LP shaft and the fan enables both the fan ... "Evolution from 'Tabs' to 'Chevron Technology'-a Review" (PDF). Proceedings of the 13th Asian Congress of Fluid Mechanics 17-21 ...
Planetary and Space Science. 45 (4): 449-454. Bibcode:1997P&SS...45..449M. doi:10.1016/s0032-0633(96)00155-9. ISSN 0032-0633.. ... "The plasma filamentation instability in one dimension: nonlinear evolution". New Journal of Physics. 9 (8): 247. Bibcode ...
the 14 billion year narrative of cosmic, planetary, life, and cultural evolution-told in sacred ways. Not only does it bridge ... Creation-evolution controversy[edit]. Main article: Creation-evolution controversy. The creation-evolution controversy goes ... epic of evolution' to help construct his viewpoint of evolution theology (a form of theistic evolution). His position is that ... Thank God for Evolution *^ Loyal Rue - Everybody's Story: Wising Up to the Epic of Evolution, SUNY Press, 1999, ISBN 0-7914- ...
"Ceres: evolution and present state" (PDF). Lunar and Planetary Science. XXXVIII: 2006-2007. Pristupljeno 25. 6. 2009 ... ESO Planetary Group: Journal Club. Pristupljeno 5. novembar 2007.. Citiranje sa zastarjelim parametrom ,coauthors=. (pomoć); ... Ažurirane informacije o Ceresu, te poređenje veličine Ceresa i Zemlje (The Planetary Society) ... "Ceres: Evolution and current state". Journal of Geophysical Research 110: E05009. doi:10.1029/2004JE002244 ...
Earth and Planetary Science Letters. 251 (3-4): 264-279. Bibcode:2006E&PSL.251..264M. doi:10.1016/j.epsl.2006.09.009.. ... "Molecular Biology and Evolution. 23 (6): 1144-1155. doi:10.1093/molbev/msj124. PMID 16533822.. CS1 maint: Multiple names: ... Grimaldi, David A. (2007). Evolution of the Insects. Cambridge Univ Pr (E). ISBN 978-0-511-12388-7.. ... The K-Pg extinction had a profound effect on the evolution of life on Earth. The elimination of dominant Cretaceous groups ...
Evolution of Solar Flux. This page contains data files and models from "The evolution of the solar flux from 0.1 nm to 160 ... microns: quantitative estimates for planetary studies", Claire et al. 2012, published in the Astrophysical Journal. ...
... Jaime Urrutia- ... J. Urrutia-Fucugauchi and L. Perez-Cruz, "Multiring-forming large bolide impacts and evolution of planetary surfaces," ... J. L. Blois and E. A. Hadly, "Mammalian response to cenozoic climatic change," Annual Review of Earth and Planetary Sciences, ... E. R. D. Scott, "Chondrites and the protoplanetary disk," Annual Review of Earth and Planetary Sciences, vol. 35, pp. 577-620, ...
2019 The Planetary Society. All rights reserved.. Privacy Policy • Cookie Declaration. The Planetary Society is a registered ... The evolution of MESSENGERs orbit in its second extended mission. NASA / JHUAPL / CIW ... The evolution of MESSENGERs orbit in its second extended mission. This chart shows how the periapsis (closest approach point) ... Become a member of The Planetary Society and together we will create the future of space exploration. ...
Processing of meteoritic organic materials as a possible analog of early molecular evolution in planetary environments. Sandra ... Processing of meteoritic organic materials as a possible analog of early molecular evolution in planetary environments ... 44th Lunar and Planetary Conference (Lunar and Planetary Institute, Houston, TX), Abstract 2148. Available at www.lpi.usra.edu ... its possible structure and composition could offer novel insights on the cosmic as well as solar and planetary evolution of ...
Scientists Gain New Insight into Planetary Evolution Scientists recently gained new insight into the evolution of planet ... Scientists Gain New Insight into Planetary Evolution. Scientists recently gained new insight into the evolution of planet ... Insight Into Planetary Evolution - Dark Matter Rare in Old Galaxies. Simulated image of the HD 106906 stellar debris disk, ... "planetary evolution", "snake bite", "snake venom", "white dwarf", "young galaxies", "fast radio burst", brain, ESO, FRB, GRP, ...
Evolution of Planetary Nebula into a Planet Theory by Marshall B. Gardner. CHAPTER II.. THE NEBULA AND ITS EVOLUTION. Probably ... But there is certainly evolution going on in them. If it be not the evolution of suns or stars, may it not be the evolution of ... Evolution of Planetary Nebula into a Planet Theory. Beyond the boundaries of established science an avalanche of exotic ideas ... Re: Evolution of Planetary Nebula into a Planet Theory. by spark » Sat Dec 08, 2018 3:06 am ...
1971) The structures of cytochrome c and the rates of molecular evolution Journal of Molecular Evolution 1:26-45. ... Thank you for submitting your article "Molecular function limits divergent protein evolution on planetary timescales" for ... Thank you for resubmitting your work entitled "Molecular function limits divergent protein evolution on planetary timescales" ... 2017) Optimization of lag phase shapes the evolution of a bacterial enzyme Nature Ecology & Evolution 1:149. ...
Implications for Chemical Evolution and the Origin of Life: The field of planetary biology and chemical evol... ... FIGURE 3.1 Stages of planetary evolution (after Kaula, 1975). PREBIOTIC EVOLUTION ? BIOLOGICAL EVOLUTION ... Progress and Future Directions in Planetary Biology and Chemical Evolution (1990) Chapter: 3. Early Planetary Environments: ... 3. Early Planetary Environments: Implications for Chemical Evolution and the Origin of Life 56-77 ...
Professor Mihály Csikszentmihalyi will review the history of human evolution... ... Professor Mihály Csikszentmihalyi will review the history of human evolution from circa two million years ago to the present, ...
Evolution of molecules in space: from interstellar clouds to proto-planetary nebulae ... Presentation] Evolution of molecules in space: from interstellar clouds to proto-planetary2015. *. Author(s). A. Kouchi, S. ... Presentation] Evolution of molecules in space: From interstellar clouds to proto-planetary nebulae2017. *. Author(s). A. Kouchi ... Evolution of molecules in space:from interstellar clouds to proto-planetary nebula. Organizer ...
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Evolution of Solar Flux. Solar Flux Model. Type: Code/Model (IDL). Author(s): Mark Claire, John Sheets, Martin Cohen, Ignasi ... Planetary Environmental Modeling. Orbital Dynamics. celestools. Type: Code. Author: Russell Deitrick. License: GNU. ... Description: Calculate orbital and rotational evolution of planets due to tides.. Slides: EqtideTutorial.pdf Internal links: ... 2014), Habitable Zones around Main-sequence stars: Dependence on Planetary Mass, Astrophysical Journal, 787, L29 Keywords: ...
Physics of Planetary Evolution. The course will explore and expose students to the fundamental physics necessary to understand ... The evolution of planetary bodies will be discussed on the basis of geological and geophysical evidence derived from ... Principles of Planetary Climate. This course provides the physical building blocks for understanding planetary climate. Topics ... Earth, Environmental and Planetary Sciences Courses for Fall 2020. * Thesis Preparation. For graduate students who have met the ...
Why one biologist chases hurricanes to study spider evolution By Susan Milius. August 20, 2019. ... Planetary Science Apollo astronauts left trash, mementos and experiments on the moon Heres what planetary scientists are ... More Stories in Planetary Science. * Earth Night-shining noctilucent clouds have crept south this summer Clouds high in the ... Planetary Science Accolades, skepticism and science marked Science News coverage of Apollo Science News coverage of the ...
The Evolution of a Planet-Forming Disk. This animation shows the evolution of a planet-forming disk around a star. Initially, ... Planetary Demolition Derby. This artists animation shows a celestial body about the size of our moon slamming at great speed ... Forming a Planetary Gap. Astronomers are using NASAs Spitzer Space Telescope to probe the structures of circumstellar disks, ... How to Measure a Planetary Eclipse. This artists animation shows a close-up view of a distant giant planet passing behind its ...
Millimetre-wavelength observations of the bipolar planetary nebula K4-47 show very high abundances of the rare isotopes 13C, ... Here we report millimetre-wavelength observations of the young bipolar planetary nebula K4-47 that indicate another possible ... enriching the resulting planetary nebula in 15N and 17O and creating its bipolar geometry. Other possible explanations are that ... Schmidt, D. R. & Ziurys, L. M. New detections of HNC in planetary nebulae: evolution of the [HCN]/[HNC] ratio. Astrophys. J. ...
The focus will be on origin and evolution (including current evolution), as well as techniques of study. It will include an ... Course will emphasize emerging and current topical research in Planetary Science; course will be offered as needed or required ... PTYS Graduate Core Course. The geologic processes and evolution of terrestrial planet and satellite surfaces including the ... Topics include chemical processes in dying stars, circumstellar gas, planetary nebulae, diffuse clouds, star-forming regions ...
This entry was posted in Meeting Announcements and tagged impacts, meteorite, planetary evolution, Sudbury on 2013-06-25. by ... planetary atmospheres, planetary interiors, planetary surfaces on 2013-06-18. by Julie Tygielski. NASA Postdoctoral Fellowships ... Large Meteorite Impacts and Planetary Evolution V- Program Available The program and abstracts are now available on the ... CPSX Planetary Science Short Course Registration Open The Centre for Planetary Science and Exploration (CPSX), University of ...
The Evolution of Volatile Molecules During Planet Formation. 3:45pm to 4:45pm ...
... evolution of Earth, atmospheric oxygen, Lynn Margulis, psychology, evolutionary theory, Darwin, and all about entropy and the ... study of evolution at the planetary level is the study of the most fundamental entity of terrestrial evolution without an ... evolution according to the second law.. The Problem for Darwinian Theory. The fact that the evolution and persistence of all ... of atmospheric oxygen makes them dependent upon the prior evolution and persistence of life at the planetary level for their ...
Evolution. Health. Chemistry. Physics. Technology.. Subscribe Now!. Pluto Bids to Get Back Planetary StatusPluto has at least ...
Characterising planetary analogues in terms of their basic mineralogy/geochemistry and physical properties and setting up a ... Mineral and planetary sciences Investigating the origins and evolution of Earth and our solar system. ... Origins, evolution and futures We study the Earths origins and environment, and the evolution of life. ... Focus: Characterising planetary analogues in terms of their basic mineralogy/geochemistry and physical properties and setting ...
FIGURE 2 Evolution of a planetary system from dense cloud to protostar to protoplanetary disk. Source: B. Saxton (NRAO/AUI/NSF ... Fortney noted that planetary evolution can diverge on the basis of UV-driven photochemistry, and this might explain why Venus ... Planetary Evolution. Jonathan Fortney, professor and director of the Other Worlds Laboratory in the Department of Astronomy and ... gan by reminding the audience of a key question to answer: What is the role of planetary atmospheres in the origin, evolution, ...
Based on evolution models, this temperature corresponds to a mass of 9-13 M {sub Jup} for the age of ABDMG (70-130 Myr). The ... 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ATMOSPHERES; COLOR; COMPARATIVE EVALUATIONS; DETECTION; EVOLUTION; GRAVITATION; ... We present the discovery of a comoving planetary-mass companion ∼42 (∼2000 AU) from a young M3 star, GU Psc, a likely member ... Journal Article: Discovery of a wide planetary-mass companion to the young M3 star GU PSC ...
PLATO will provide the key information (planet radii, mean densities, stellar irradiation, and architecture of planetary ... PLAnetary Transits and Oscillations of stars) is to open a new way in exoplanetary science by detecting terrestrial exoplanets ... Evolution of planetary systems. Planets and their host stars evolve. Giant gas planets cool and contract, a process which can ... It will also provide information on planetary albedos and the stratification of planetary atmospheres. Finally, the close-in ...
Effects of the Compositional Viscosity Ratio on the Long‐Term Evolution of Thermochemical Reservoirs in the Deep Mantle *Yang ... Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle. *Anne Davaille. 1. ... Davaille, A. Simultaneous generation of hotspots and superswells by convection in a heterogeneous planetary mantle. Nature 402 ... Whole-mantle versus layered mantle convection and the role of a high-viscosity lower mantle in terrestrial volatile evolution. ...
"Bolster legal boundaries to stay within planetary boundaries". Nature Ecology & Evolution. 1 (3): 0086. doi:10.1038/s41559-017- ... "planetary boundaries": "Planetary boundaries are still an evolving concept that should be used with caution [...] The planetary ... Planetary boundaries define, as it were, the boundaries of the "planetary playing field" for humanity if major human-induced ... Transcript html Planetary boundaries: what are the limits of the earth? - podcast The Guardian, 30 January 2013. The Planetary ...
The maximum rate of mammal evolution *From the Cover. Alistair R. Evans, David Jones, Alison G. Boyer, James H. Brown, Daniel P ...
14.5 Planetary Evolution Learning Objectives. By the end of this section, you will be able to:. *Describe the geological ... Evolution of the Solar System and Protoplanetary Disks. Jewitt, D., & Young, E. "Oceans from the Skies." Scientific American ( ... The geological evolution of the icy moons and Pluto has been somewhat different from that of the terrestrial planets. Tidal ... The atmosphere we have on Earth is the result of many eons of evolution and adaptation. And, as we saw, it can be changed by ...
Planetary Science. When Earth got pummeled. *. Working Life. Lessons from a postdoc gone wrong ... Crystal Structure of an Ancient Protein: Evolution by Conformational Epistasis. By Eric A. Ortlund, Jamie T. Bridgham, Matthew ... Crystal Structure of an Ancient Protein: Evolution by Conformational Epistasis. By Eric A. Ortlund, Jamie T. Bridgham, Matthew ... Crystal Structure of an Ancient Protein: Evolution by Conformational Epistasis Message Subject. (Your Name) has forwarded a ...
  • Trip is led by a Planetary Sciences faculty member once per semester. (arizona.edu)
  • Opportunities for field study and research in the earth sciences in Southern California and other localities around the world are abundant, and faculty and students often venture out of the laboratory to investigate firsthand scientific questions about the evolution of the earth. (caltech.edu)
  • An introduction to the ideas and approaches of earth and planetary sciences, including both the special challenges and viewpoints of these kinds of science as well as the ways in which basic physics, chemistry, and biology relate to them. (caltech.edu)
  • Frontiers in Geological and Planetary Sciences. (caltech.edu)
  • Weekly seminar by a member of the Division of Geological and Planetary Sciences or a visitor to discuss a topic of his or her current research at an introductory level. (caltech.edu)
  • Introduction to Earth and Planetary Sciences: Earth as a Planet. (caltech.edu)
  • Introduction to Earth and Planetary Sciences: Earth and the Biosphere. (caltech.edu)
  • The U-series Research Group in the Department of Earth and Planetary Sciences at Macquarie University has two main research themes that drive a significant number of PhD and post-doctoral projects. (edu.au)
  • As we begin the 2018 Academic year, I am honored to be taking on my second five-year term as Head of the Department of Earth, Atmospheric and Planetary Sciences. (mit.edu)
  • Over the summer, EAPS appointed three outstanding new faculty members: Dr. Brent Minchew, joining our Geophysics group in January 2018, and MIT alums Dr. Julien de Wit, PhD '14 (XII) and Dr. Katherine de Kleer '09 (VIII, XVIII), who will be joining our Planetary Sciences group in July 2018 and July 2019, respectively. (mit.edu)
  • EAPS Planetary Sciences has been in the news lately with key contributions to the exciting discovery of the TRAPPIST-1 planetary system which dominated the headlines last spring, and with EAPS faculty and alumnae taking leading roles in NASA missions from New Horizons to OSIRIS-REx, and more recently the Lucy and Psyche missions. (mit.edu)
  • With the recent arrival of 51 Pegasi b Postdoctoral fellow Dr. Jason Dittman, and two dynamic young faculty members about to join our planetary sciences group, we are confident that EAPS will continue to thrive and lead in this field for decades to come. (mit.edu)
  • After postdoctoral research at the University of Leeds (1990-1992) and the Australian National University (1992-1995) he joined the faculty of MIT's Department of Earth, Atmospheric and Planetary Sciences (EAPS) in 1996. (mit.edu)
  • H. Lammer also acknowledge stimulating discussions with B. Marty from the CRPG-CNRS, University of Nancy regarding isotope data analysis of carbonaceous chondrites and planetary atmospheres, E. Marcq from LATMOS/IPSL, UVSQ, Université Paris-Saclay on magma ocean-related steam atmospheres, and L. Fossati from the Space Research Institute (IWF) of the Austrian Academy of Sciences (ÖAW). (springer.com)
  • Birkbeck's Department of Earth and Planetary Sciences shares resources, facilities and expertise with UCL's Department of Earth Sciences, thus offering you access to a unique, world-class research environment . (bbk.ac.uk)
  • High Pressure Research in Geophysics, Advances in Earth and Planetary Sciences by Syun-Iti Akimoto, 9789027714398. (booktopia.com.au)
  • ubiquitous download Planetary Nebulae: A Study of Late Stages of access estimate HEK293-6E of stopping Computational post-transcriptional instances requires longitudinal. (scoutconnection.com)
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  • High-velocity collimated outflows in planetary nebulae: NGC 6337, He 2-186, and K4-47. (nature.com)
  • Early solar and presolar history is being studied by seeking the connection between residual planetary materials and the physical processes within the solar nebula and the interstellar medium that is precursor to such nebulae. (caltech.edu)
  • Thermodynamics and its application to planetary atmospheres, hydrostatics, fundamental concepts and laws of dynamic meteorology. (arizona.edu)
  • Caltech's planetary scientists are expanding our breadth of understanding of the earth and its place in the cosmos through the comparative study of other planets-their atmospheres, surfaces, and internal structures. (caltech.edu)
  • The lectures and topics cover such issues as solid Earth structure and evolution, plate tectonics, oceans and atmospheres, climate change, and the relationship between geological and biological evolution. (caltech.edu)
  • With this objective in mind, we applied vacuum technology to the design of versatile vacuum chambers devoted to the simulation of planetary atmospheres' conditions. (mdpi.com)
  • These vacuum chambers are able to simulate atmospheres and surface temperatures representative of the majority of planetary objects, and they are especially appropriate for studying the physical, chemical and biological changes induced in a particular sample by in situ irradiation or physical parameters in a controlled environment. (mdpi.com)
  • The authors also thank the International Space Science Institute (ISSI) in Bern, the ISSI-Beijing team "Astrobiology" and the ISSI team"The Early Evolution of the Atmospheres of Earth, Venus, and Mars", and P. Odert for discussions on the losses of volatiles from planetary embryos and protoplanets. (springer.com)
  • PLATO will provide the key information (planet radii, mean densities, stellar irradiation, and architecture of planetary systems) needed to determine the habitability of these unexpectedly diverse new worlds. (esa.int)
  • Furthermore, the stability and presence of certain minerals on planetary surfaces and the potential habitability of microorganisms under various planetary environmental conditions can be studied using our apparatus. (mdpi.com)
  • Topics include the origin of the solar system, habitability of planets, and the role of impacts in planetary evolution. (princeton.edu)
  • They estimated how much further humans can go before planetary habitability is threatened. (wikipedia.org)
  • They can be used in studies of the terrestrial evolution of visual albedo, color, light curve, climate, and habitability. (google.com)
  • If you use these images, please give credit to: The Planetary Habitability Laboratory @ UPR Arecibo, NASA, Ron Blakey and Colorado Plateau Geosystems, Inc., and The PaleoMap Project. (google.com)
  • The primary goal of PLATO (PLAnetary Transits and Oscillations of stars) is to open a new way in exoplanetary science by detecting terrestrial exoplanets and characterising their bulk properties, including planets in the habitable zone of Sun-like stars. (esa.int)
  • This review concludes with a discussion on the implications of understanding Earth's geophysical and related atmospheric evolution in relation to the discovery of potential habitable terrestrial exoplanets. (springer.com)
  • This thesis uses planetary albedo models to investigate variations in visible wavelength phase curves of exoplanets. (mit.edu)
  • Calculate orbital and rotational evolution of planets due to tides. (washington.edu)
  • It requires knowledge of the planetary composition, to distinguish terrestrial planets from non-habitable gaseous mini-Neptunes, and of the atmospheric properties of planets. (esa.int)
  • The geological evolution of the icy moons and Pluto has been somewhat different from that of the terrestrial planets. (bccampus.ca)
  • Modern observational data on stellar evolution, disc formation, and the discovery of extrasolar planets, as well as mechanical and cosmochemical properties of the solar system, place important constraints on the different scenarios developed, each supporting the basic cosmogony concept (as rooted in the Kant-Laplace hypothesis). (oxfordre.com)
  • 2010): Thermal Evolution and Magnetic Field Generation in Terrestrial Planets and Satellites. (dlr.de)
  • 2010) Geophysical and Atmospheric Evolution of Habitable Planets. (dlr.de)
  • Formation and Evolution of Stars, Brown Dwarfs and Planets. (inta-csic.es)
  • Activities related to the observation, study, and modeling of the various phases and processes associated with the formation and evolution of stars, brown dwarfs and extrasolar planets. (inta-csic.es)
  • Earth-based observations, observations by planetary spacecraft, study of meteorites, and observations of extrasolar planets are used to constrain models of the dynamical and chemical processes of planetary systems. (caltech.edu)
  • Behavior of dusts and evolution of the protosolar disk are responsible for composition of planetesimals, which further affects the composition of planets. (uni-muenchen.de)
  • The evolution scenario of early Earth is then compared with the atmospheric evolution of planets where no active plate tectonics emerged like on Venus and Mars. (springer.com)
  • The early dynamical evolution of the solar system up until ~3.8 billion years ago is a period of intense bombardment of the inner planets. (usra.edu)
  • This animation illustrates the Kepler-223 planetary system, which has long-term stability because its four planets interact gravitationally to keep the beat of a carefully choreographed dance as they orbit their host star. (phys.org)
  • Exactly how and where planets form is an outstanding question in planetary science ," said the study's lead author, Sean Mills, a graduate student in astronomy & astrophysics at the University of Chicago. (phys.org)
  • The Kepler-223 system provides alternative scenarios for how planets form and migrate in a planetary system that is different from our own, said study co-author Howard Isaacson, a research astronomer at the University of California, Berkeley, and member of the California Planet Search Team. (phys.org)
  • The fact that the evolution and persistence of all the higher-ordered living states that have been the typical objects of evolutionary study (e.g., sexually reproducing animals) are dependent on a rich and steady supply of atmospheric oxygen makes them dependent upon the prior evolution and persistence of life at the planetary level for their existence. (entropylaw.com)
  • The data reported here suggest a far larger availability of meteoritic organic materials for planetary environments than previously assumed and that molecular evolution on the early Earth could have benefited from accretion of carbonaceous meteorites both directly with soluble compounds and, for a more protracted time, through alteration, processing, and release from their insoluble organic materials. (pnas.org)
  • These exciting discoveries in astrochemistry-a multidisciplinary field that focuses on the chemical composition of and processes in astrophysical and planetary environments-have potential applications to the general chemistry and chemical-engineering communities. (nap.edu)
  • This project aims at the observation and analysis of massive stars in nearby galaxies to understand their properties and evolution in different environments, particularly environments with conditions close to those in the early Universe. (iac.es)
  • In challenging planetary environments such as Mars, a diverse range of terrains must be traversed to deliver sensing instruments and achieve scientific goals. (findaphd.com)
  • The study of planetary environments of astrobiological interest has become a major challenge. (mdpi.com)
  • Thus, we can anticipate that fluorine-containing "teflon"-like or "non-sticking" building blocks might be monomers of choice for the synthesis of organized polymeric structures in fluorine-rich planetary environments. (mdpi.com)
  • Although no fluorine-rich planetary environment is known, theoretical considerations might help us to define chemistries that might support life in such environments. (mdpi.com)
  • Topics include: the astrophysical prerequisites for life, the RNA world, the evolution of metabolism and photosynthesis, microbes in extreme environments, and the search for life within our solar system and in nearby solar systems. (princeton.edu)
  • 2018): Escape and fractionation of volatiles and noble gases from Mars-sized planetary embryos and growing protoplanets. (dlr.de)
  • for it was only when the idea of the nebula as the original material of planetary evolution was advanced, that astronomy could be put upon a really scientific basis. (thunderbolts.info)
  • The discovery of circumstellar discs and especially planetary systems around other stars put this challenging problem of modern astronomy on new ground and allowed us to integrate different theoretical views alongside the data of observations and computer modeling to more coherent concepts. (oxfordre.com)
  • In: Planetary Systems as Potential Sites for Life (Ed. I.F. Corbett), Highlights of Astronomy, Volume 15, Special Session 6, XXVIIth International Astronomical Union General Assembly, August 2009, pp. 708-709, Cambridge University Press, Cambridge. (dlr.de)
  • Its subsequent development has interwoven a variety of scientific disciplines including astronomy, chemistry, geology, physics, and planetary science. (wikipedia.org)
  • Scientists recently gained new insight into the evolution of planet formation by creating and studying a model of a fairly young solar system 300 light years from Earth. (voanews.com)
  • One of the most important empirical facts recognized in recent decades is that the Earth at the planetary level evolves as a single global entity (e.g. (entropylaw.com)
  • Investigating the origins and evolution of Earth and our solar system. (nhm.ac.uk)
  • A better understanding of the geological differences between Venus and Earth is a high priority for planetary geologists. (bccampus.ca)
  • and the techniques used to study impact craters on Earth and other planetary bodies. (scienmag.com)
  • Caltech's geobiologists study the impact of life on the chemical and physical evolution of our planet, and the way global changes in the surface environment of the earth have imprinted themselves on the planet's genetic and molecular systems. (caltech.edu)
  • Planetary Geology is the study of solid surface planetary objects in the Universe, including Earth. (inta-csic.es)
  • Systematic introduction to the origin and evolution of life and its impact on the oceans, atmosphere, and climate of Earth. (caltech.edu)
  • European Planetary Science 13.8.2013: Could life have survived a fall to Earth? (saunalahti.fi)
  • Evolution is thus the source of the vast diversity of life on Earth, including the many extinct species attested to in the fossil record . (mcgill.ca)
  • Through the course we investigate the Earth starting from its basic constituents and continue through its accretion, differentiation and evolution and discuss how these processes create and sustain habitable conditions on Earth's surface. (princeton.edu)
  • The first step toward a theory of Solar System formation and evolution was the general acceptance of heliocentrism, which placed the Sun at the centre of the system and the Earth in orbit around it. (wikipedia.org)
  • Nitrogen is fundamental to the evolution of Earth and the life it supports, but for reasons poorly understood, it is cosmochemically the most depleted of the volatile elements. (degruyter.com)
  • Planetary boundaries is a concept involving Earth system processes that contain environmental boundaries. (wikipedia.org)
  • The goal of the Visible Paleo-Earth (VPE) project is to visualize in true-colors the evolution of Earth surface from paleo-climates to today. (google.com)
  • One possible interpretation of these results is that K4-47 arose from a J -type asymptotic giant branch star that underwent a helium-shell flash (an explosive nucleosynthetic event that converts large quantities of helium to carbon and other elements), enriching the resulting planetary nebula in 15 N and 17 O and creating its bipolar geometry. (nature.com)
  • Fig. 1: Composite image of the young planetary nebula K4-47. (nature.com)
  • Fig. 2: Spectra showing the isotopic enrichment in planetary nebula K4-47. (nature.com)
  • In roughly 5 billion years, the Sun will cool and expand outward to many times its current diameter (becoming a red giant), before casting off its outer layers as a planetary nebula and leaving behind a stellar remnant known as a white dwarf. (wikipedia.org)
  • The present oxygen rich atmosphere, put in place and maintained by life over geological time, is perhaps the most obvious prima facie evidence for the existence and persistence of the planetary entity. (entropylaw.com)
  • Numerical calibration of the geological timescale, the Cambrian explosion, mass extinctions, and human evolution. (caltech.edu)
  • However, if we have these parameters and stellar abundances, we can also compare the determinations of abundances in the interstellar medium of our galaxy and nearby galaxies, and the predictions of the theories of chemical evolution of galaxies. (iac.es)
  • Topics include: the observed properties of stars and the methods used to determine them, the structure and evolution of stars, the end-points of stellar evolution, our galaxy, the interstellar medium, external galaxies, quasars and cosmology. (amherst.edu)
  • Massive stars are the source of extremely energetic phenomena and a primary agent of the chemical and dynamical evolution of galaxies and the Universe. (iac.es)
  • As a site of substantial and long-lived intraplate deformation , Colorado embodies more than its share of the remaining difficulties in plate tectonics, but the state's early evolution can only be understood within that framework. (cliffshade.com)
  • The geologic processes and evolution of terrestrial planet and satellite surfaces including the Galilean and Saturnian and Uranian satellites. (arizona.edu)
  • Therefore, the molecular factors responsible for color pattern formation and evolution (i.e., the genes and developmental processes targeted by selection) remain poorly understood in wild vertebrates. (sciencemag.org)
  • it encompasses all the natural physico-chemical processes that occur within a given planetary environment starting from its formation, up until the emergence of the first self-replicating systems on which the Darwinian Process can begin to operate. (inta-csic.es)
  • Having become conscious of the evolutionary processes of which human beings are a part, and with a sense of awe and responsibility, the challenge is to learn to "dance to the rhythms of evolution" for the purposeful creation of a sustainable and evolutionary future. (encyclopedia.com)
  • 2017): Mercury's Global Evolution. (dlr.de)
  • In: Festschrift on the occasion of the retirement of Prof. Tilman Spohn on November 2017, State of Planetary Research at DLR, pp. 22-33. (dlr.de)
  • While the structure and mass distributions of bodies in our Solar System are well known, we only have indirect and partial knowledge of its formation and evolution. (esa.int)
  • We knew a lot about the nature of these bodies with implication to the basic ideas of fundamental scientific value concerning the solar system formation and evolution. (oxfordre.com)
  • Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. (wikipedia.org)
  • This volume, edited by Gordon R. Osinski and David A. Kring, is a result of the Large Meteorite Impacts and Planetary Evolution V conference held in Sudbury, Canada, in August 2013. (scienmag.com)
  • Become a member of The Planetary Society and together we will create the future of space exploration. (planetary.org)
  • Because of the obvious technical and economical limitations on in situ planetary exploration, laboratory simulations are one of the most feasible research options to make advances both in planetary science and in developing a consistent description of the origin of life. (mdpi.com)
  • The Planetary Exploration Group at the Johns Hopkins University Applied Physics Laboratory plans to hire a postdoctoral researcher in the field of lunar science. (usra.edu)
  • Here, the collapse of a protosolar nebula's inner core gives rise to fusion ignition and star birth with an accretion disc left behind: its continuing evolution resulting ultimately in protoplanets and planetary formation. (oxfordre.com)
  • As the product of a long history of cosmic matter evolution, this important branch of astrophysics is referred to as stellar-planetary cosmogony. (oxfordre.com)
  • This is one of the most intriguing branches of astrophysics that used to be referred to as planetary cosmogony (Marov, 2015 ). (oxfordre.com)
  • At St Andrews, students have the opportunity to study and research a wide variety of astrophysics topics including star formation, galaxy evolution, dark matter and much more. (st-andrews.ac.uk)
  • This will revolutionise our understanding of planet formation and the evolution of planetary systems. (esa.int)
  • 2018): Modelling the evolution of the parent body of acapulcoites and lodranites: A case study for partially differentiated asteroids. (dlr.de)
  • The formation and evolution of our solar system (and planetary systems around other stars) are among the most challenging and intriguing fields of modern science. (oxfordre.com)
  • In: Planetary and Space Science, doi:10.1016/j.pss.2018.03.017. (dlr.de)
  • and share how the field has influenced and changed planetary science missions, trained the next generation of astrobiologists, and built a strong community of passionate researchers. (nasa.gov)
  • This convergence of science, philosophy, and religion is manifested in the systemic inquiry on conscious evolution and its underlying ethic. (encyclopedia.com)
  • The emergent view of evolution has implications for the understanding and guidance of human systems and can become the basis for the integration of critical insights for science, philosophy, and religion to surface a new global ethic. (encyclopedia.com)
  • In 2015, a second paper was published in Science to update the Planetary Boundaries concept including regional boundaries and findings were presented at the World Economic Forum in Davos, January 2015. (wikipedia.org)
  • The 2009 publications in Nature and Ecology and Society, along with the 2015 Science article, have been cited more than 7,000 times from 2009 to 2019, showing that the planetary boundaries framework has been influential in subsequent scholarly work. (wikipedia.org)
  • Here's what planetary scientists are learning from the remains of Apollo outposts, and how archeologists hope to preserve it. (sciencenews.org)
  • Although the occurrence of biological evolution of some sort came to be widely accepted by scientists, Darwin's specific ideas about evolution-that it occurred gradually, through natural selection-were actively attacked and contested. (mcgill.ca)
  • While we await more discoveries and better understanding of other planetary systems, let us look again at the early history of our own solar system, after the dissipation of our dust disk. (bccampus.ca)
  • The formation and evolution of the Solar System began about 4.57 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. (wikipedia.org)
  • 2018): Present-day Mars' Seismicity Predicted from 3-D Thermal Evolution Models of Interior Dynamics. (dlr.de)
  • Curiosity, Darwin, Vikings and Planetary Protection - Curiosity and Charles Darwin, and writing between the lines - The Vikings 1976 - Evidence for Microbial Life on Mars - Chlorophyll and Fatty Acids observations - Visual Evidence for Life on Mars - Planetary Protection and Ethics 13. (saunalahti.fi)
  • If the RNA and life was born in Mars, as Steven Benner proposes, then probably the evolution process would have continued also in planet Mars. (saunalahti.fi)
  • We used several models of molecular evolution to calculate the divergence rates, defined as the decrease in pairwise sequence identity or structural similarity per unit time, between orthologous proteins with the same molecular function. (elifesciences.org)
  • Microbial and molecular evolution, photosynthesis, genes as fossils. (caltech.edu)
  • With the shift of the Earth's redox state from reducing to oxidative some two billion years ago evolution undeniably became a coherent planetary process. (entropylaw.com)
  • We study the Earth's origins and environment, and the evolution of life. (nhm.ac.uk)
  • We provide a large suite of modeling tools for exoplanet detection, initial target characterization/prioritization, planetary environmental modeling, and telescope observation simulation. (washington.edu)
  • The relatively well-constrained age of this companion and its very large angular separation to its host star will allow its thorough characterization and will make it a valuable comparison for planetary-mass companions that will be uncovered by forthcoming planet-finder instruments such as Gemini Planet Imager and SPHERE 9. (osti.gov)
  • Characterization of the planet host stars and the assessment of the photometric blending of the host stars with bound and background stars is crucial to the accurate determination of the stellar and planetary radii. (caltech.edu)
  • Recent discoveries from planetary missions are emphasized. (princeton.edu)
  • Artist's impression of planetary systems. (esa.int)
  • We will determine the properties of disks and host stars that are most favorable to the formation of planetary systems by conducting a parameter survey using our theoretical models. (seti.org)
  • These provide new insights into the thermal conditions and rapidity of evolution of magmatic systems (e.g. depth, volume) that can, for example, be used to inform models for volcanic hazards. (edu.au)
  • General Evolution Theory (GET) is introduced as the natural unfolding of GST in the study of complex dynamic systems. (encyclopedia.com)
  • According to the paradigm, "transgressing one or more planetary boundaries may be deleterious or even catastrophic due to the risk of crossing thresholds that will trigger non-linear, abrupt environmental change within continental-scale to planetary-scale systems. (wikipedia.org)
  • The UN's Sustainable Development Goals and a new scientific movement, "Planetary Health," are drawing attention to these issues and raising questions about how habitable climate, clean water, fiber, fuel, and natural products, among other services and subsidies, relates to human health. (ucsb.edu)
  • Landscape evolution is central to studies of climate change, soil sustainability and neotectonics. (edu.au)
  • scientific consensus supporting the validity of evolution, it has been at the centre of many social and religious controversies since its inception because of its implications for the origins of humankind. (mcgill.ca)
  • Romano, D., Matteucci, F., Zhang, Z. Y., Papadopoulos, P. P. & Ivison, R. J. The evolution of CNO isotopes: a new window on cosmic star formation history and the stellar IMF in the age of ALMA. (nature.com)
  • however, little is known about the mechanisms that control their formation and subsequent evolution. (sciencemag.org)
  • Such advances have clarified a new scenario, which largely supports simultaneous stellar-planetary formation. (oxfordre.com)
  • I additionally have contributed to work involving bubble growth and bubble deformation during flow of magmas, the formation of obsidian, the motives and methods of producing vitrified forts in European antiquity, and the evolution of language use in modern poets, among other topics. (dur.ac.uk)
  • Subject in this research area aim at understanding the formation and evolution of galaxies from low to high redshift, their mass assembly and enrichment histories, as well as the connection to active galactic nuclei. (eso.org)
  • In counseling sessions, the dynamics of the chart are discussed from the perspective of the evolution of the soul. (mauricefernandez.com)
  • Characterising planetary analogues in terms of their basic mineralogy/geochemistry and physical properties and setting up a facility for their storage and curation. (nhm.ac.uk)
  • On the basis of his work summarized in the volume "The Evolving Self," Professor Mihály Csikszentmihalyi will review the history of human evolution from circa two million years ago to the present, focusing on the development of consciousness, or the ability of the human mind to simulate possible courses of action, to create new ideas and objects, and to transcend the material structures in which human life is embedded. (houstonpress.com)
  • Life as a Planetary Process. (entropylaw.com)
  • I aspire that we emerge from this planetary wake up call not as victims, but empowered - armed with greater clarity to re-imagine and actualize a better, more sustainable, purposeful, intentional and fulfilling life experience for ourselves, our loved ones, future generations and frankly the world at large. (constantcontact.com)
  • Past life themes must be applied to the current life context, and following that, direction and advice is proposed to the subject with regard to the best ways to enhance one's personal evolution. (mauricefernandez.com)
  • The focus will be on origin and evolution (including current evolution), as well as techniques of study. (arizona.edu)
  • Reconstruction of Proterozoic paleogeographies and the origin and evolution of Proterozoic sedimentary basins. (mcgill.ca)
  • The team studies the origin, evolution, transmission and effectiveness of the baroque patterns of behaviour and representation in the Hispanic world. (sharcnet.ca)
  • However, determining its possible structure and composition could offer novel insights on the cosmic as well as solar and planetary evolution of complex organic materials. (pnas.org)
  • Are Cosmic and Planetary Fine-Tuning Constant? (evolutionnews.org)
  • Our team effort on Neoproterozoic-Cambrian environmental change and evolution has enjoyed the broadest participation of Harvard team members, for good reason. (nasa.gov)
  • Many theories have been proposed to link environmental changes to these human evolution events [ 8 - 11 ]. (royalsocietypublishing.org)
  • The determination of their stellar parameters and chemical abundances allows a detailed comparison with the predictions of the theory of stellar evolution, but requires a detailed calculation of the emergent spectrum. (iac.es)
  • develop his theory of how evolution occurs. (mcgill.ca)
  • GeoVirgil is a user friendly Java mapping program to analyze data from NASA's planetary probes. (openscience.org)
  • The analyses of massive stars in the Milky Way and nearby galaxies, within and beyond the Local Group,will provide us with a large amount of information about the structure and evolution of these stars and their host galaxies, under different conditions that can be extrapolated to more distant regions in the Universe. (iac.es)
  • Galactic-scale winds, or 'Superwinds', driven by the collective effect of massive stars and supernovae, have been invoked as a source for the heating and metal-enrichment of both the intra-cluster and inter-galactic medium, as a critical factor in the evolution of galaxies, and as the source of the mass-metallicity relation for galaxies. (caltech.edu)
  • We present the discovery of a comoving planetary-mass companion ∼42'' (∼2000 AU) from a young M3 star, GU Psc, a likely member of the young AB Doradus Moving Group (ABDMG). (osti.gov)