Cosmic Dust

Dust

Air Pollutants, Occupational

Pyroglyphidae

Mites

Cosmic dust

Cosmic Dust Analyzer

Dust astronomy

Interplanetary dust cloud

List of songs recorded by Myles Kennedy

The Life Scientific

Space dust measurement

2017 in Antarctica

Comet dust

Emission nebula

Hayden Christensen

Aeronomy of Ice in the Mesosphere

List of Samuel L. Jackson performances

Horsehead Nebula

CI chondrite

Impact ionization

Helios Dust Instrumentation

Henryk Skolimowski

Circumstellar dust

Aerogel

ʻOumuamua

Pop Rocks

Haley Gomez

Nanoparticle

Galileo (spacecraft)

Discovery Program

Astrochemistry

Spinning dust

S-process

Myles Kennedy discography

Particles18

• Most cosmic dust particles measure between a few molecules and 0.1 mm (100 μm), such as micrometeoroids. (wikipedia.org)
• Interstellar dust particles were collected by the Stardust spacecraft and samples were returned to Earth in 2006. (wikipedia.org)
• When infrared astronomy began, the dust particles were observed to be significant and vital components of astrophysical processes. (wikipedia.org)
• Cosmic dust can be detected by remote sensing methods that utilize the radiative properties of cosmic dust particles, c.f. (wikipedia.org)
• NASA collects samples of star dust particles in the Earth's atmosphere using plate collectors under the wings of stratospheric-flying airplanes. (wikipedia.org)
• Don Brownlee at the University of Washington in Seattle first reliably identified the extraterrestrial nature of collected dust particles in the latter 1970s. (wikipedia.org)
• Most cosmic dust particles are between a few molecules to 0.1 µm in size. (wn.com)
• These are belts consisting of countless dust particles and planetesimals, circling around one central star. (nanowerk.com)
• Small dust particles are much hotter than the temperatures observed by us," Krivov says. (nanowerk.com)
• The Cosmic Dust Analyser (CDA) is intended to provide direct observations of particulate matter in the Saturnian system, to investigate the physical, chemical, and dynamical properties of these particles, and to study their interactions with the rings, icy satellites, and magnetosphere of Saturn. (esa.int)
• Cosmic dust is comprised of tiny solid particles that are found everywhere in space between the stars. (scienmag.com)
• Recent advances in interplanetary dust modelling provide much improved estimates of the fluxes of cosmic dust particles into planetary (and lunar) atmospheres throughout the solar system. (hal.science)
• Planck canalso pick up on spinning dust particles emitting at these frequencies. (space.com)
• Meanwhile, acoustic waves from the loudspeakers propel "cosmic dust" - fine particles of chondrite meteorites - into the air, their dancing motions picked out by beams of light. (nature.com)
• The tiny meteoritic particles - sourced in cooperation with the Berlin Museum for Natural History - mingle with dust in the air to become part of the sonic landscape. (nature.com)
• Caselli described dark clouds in which the temperature is so low (6 K) that molecules freeze out onto dust particles and form thick icy mantles, which are composed primarily of water, carbon monoxide, and other molecules and represent the precursors of planets. (nih.gov)
• To investigate the impact of surface reactivity (SR) on the toxicity of particles, and in particular, lunar dust (LD), we ground 2 Apollo-14 LD samples to increase their SR and compare their toxicity with those of unground LD, TiO2 and quartz. (cdc.gov)
• Indeed, the bulk of cosmic matter is still dispersed among the stars and galaxies as atoms and molecules and larger particles which are condensates of these, which constitute the cosmic dust. (nih.gov)

Tons of cosmic dust2

• Thousands of tons of cosmic dust are estimated to reach Earth's surface every year, with most grains having a mass between 10−16 kg (0.1 pg) and 10−4 kg (0.1 g). (wikipedia.org)
• By one estimate, as much as 40,000 tons of cosmic dust reaches the Earth's surface every year. (wn.com)

Interplanetary dust3

• Cosmic dust can be further distinguished by its astronomical location: intergalactic dust, interstellar dust, interplanetary dust (as in the zodiacal cloud), and circumplanetary dust (as in a planetary ring). (wikipedia.org)
• In the Solar System, interplanetary dust causes the zodiacal light. (wikipedia.org)
• intergalactic dust , interstellar dust, interplanetary dust (such as in the zodiacal cloud ) and circumplanetary dust (such as in a planetary ring ). (wn.com)

20161

• Tomás Saraceno's 2016 work Arachno Concert, with Arachne (Nephila senegalensis), Cosmic Dust (Porus Chondrite) and the Breathing Ensemble . (nature.com)

Observations4

• These unique observations, however, point towards a much quicker dust production channel, perhaps related to stellar winds in very young and massive stars. (ox.ac.uk)
• This might alleviate the tension among observations of dust in the very early Universe and dust production timescales. (ox.ac.uk)
• While it's true that supernovae eject and destroy cosmic dust, infrared observations now suggest that the dust formed at an early stage of a supernova. (konfidenciale.com)
• The anomalous microwave emission (AME) was an unexpected discovery during observations of the cosmic microwave background in the late 20th and early 21st centuries. (natureasia.com)

Early cosmic2

• The study, published this week in Nature , not only sheds light on the composition of early cosmic dust, but may also provide valuable insights into the formation of stars and planets. (ox.ac.uk)
• Light energy from early cosmic events that is just reaching us now has been stretched out to the infrared part of the electromagnetic spectrum in a phenomenon known as cosmological redshift. (nih.gov)

Star dust4

• Cosmic dust - also called extraterrestrial dust, space dust, or star dust - is dust that occurs in outer space or has fallen onto Earth. (wikipedia.org)
• Die Paul Rich Cosmic Star Dust Damen-Uhr ist ein wahrer Blickfang am Handgelenk jeder modebewussten Frau. (timestuff.de)
• Das Gehäuse der Cosmic Star Dust ist aus Edelstahl und misst 36mm im Durchmesser. (timestuff.de)
• Die Paul Rich Cosmic Star Dust ist eine Uhr, die den individuellen Stil jeder Frau perfekt ergänzt. (timestuff.de)

Earth's2

• It should therefore contain a continuing record of cosmic history as informative with respect to the biochemical origins of life as the fossil-bearing sediments of the earth's crust have been in the study of its later evolution. (nih.gov)
• A comparison of the relative abundances of the elements in the earth's crust and the cosmic abundances (Table 1) reveals that the earth's crust is not a fair sample of total matter. (nih.gov)

Approximately 102

• The density of the dust cloud through which the Earth is traveling is approximately 10−6 dust grains/m3. (wikipedia.org)
• The dust density in the local interstellar medium of the Local Bubble is approximately 10 −6 × dust grain/m 3 with each grain having a mass of approximately 10 −17 kg. (wn.com)

Telescope4

• An international team involving four University of Oxford researchers has harnessed the exquisite sensitivity of the James Webb Space Telescope (JWST) to achieve the first precise characterisation of interstellar dust during the early stages of the Universe. (ox.ac.uk)
• Owing to a collection of sensitive instruments, mirrors and filters, the Herschel telescope had the capacity to detect the dust through the far-infrared emission it emits, revealing the existence of stars and galaxies hidden by the dust. (scienmag.com)
• Using the high-resolution images of the ALMA radio telescope in the Atacama Desert in northern Chile, the team discovered a small area of dust, warmer than its environment, which may correspond to the supposed location of the compact neutron star that should have formed during the explosion according to theoretical models. (cea.fr)
• Once in space, the Webb telescope's 18-segmented gold mirror will unfold to capture infrared light from the first galaxies that formed in the early universe and will help the telescope peer inside dust clouds where stars and planetary systems are forming today. (nih.gov)

Micrometeoroids1

• The lunar surface has been bombarded for 4 billion years by micrometeoroids and cosmic radiation, creating a layer of fine dust having a potentially reactive particle surface. (cdc.gov)

Organic2

• Cosmic dust contains some complex organic compounds (amorphous organic solids with a mixed aromatic-aliphatic structure) that could be created naturally, and rapidly, by stars. (wikipedia.org)
• The search for organic matter in space has uncovered such things as amino acids in meteorites and organic molecules floating freely in space dust. (nih.gov)

Collide3

• The six debris disks are mysterious for yet another reason: They are lacking the characteristic dust which is always released when the rocks collide. (nanowerk.com)
• If there were any bigger objects, the disks would be much more dynamic, the bodies would collide and thereby generate dust," the Jena professor of astrophysics explains. (nanowerk.com)
• Current evidence suggests that microparticles of cosmic dust collide and stick together to form larger dust aggregates that may eventually combine and develop into planets. (tohoku.ac.jp)

Galaxies9

• However, until now, technological limitations restricted astronomers to studying cosmic dust associated with galaxies which formed a long time after the Big Bang (when the Universe was at least a billion years old). (ox.ac.uk)
• According to the researchers, further investigations into this observation will likely yield valuable new insights into the evolution of stars and galaxies during the first billion years of cosmic time. (ox.ac.uk)
• The Universe is becoming gradually cleaner as more and more cosmic dust is being mopped up by the formation of stars within galaxies, an international team of astronomers has revealed. (scienmag.com)
• The results showed that stars were forming inside galaxies much faster in the past compared to today, and that this rapid star birth is using up more and more of the cosmic dust that is ubiquitous in the Universe. (scienmag.com)
• The dust and the gas in the universe is the raw material out of which stars and galaxies form. (scienmag.com)
• Our results show that the reason for this evolution is that galaxies used to contain more dust and gas in the past, and the universe is gradually becoming cleaner as the dust is used up. (scienmag.com)
• Dr Elisabetta Valiante, a lead author from Cardiff University's School of Physics and Astronomy, said: 'The exciting thing about our survey is that it encompasses almost all of cosmic history, from the violent star-forming systems full of dust and gas in the early universe, that are essentially galaxies in the process of formation, to the much more subdued systems we see around us today. (scienmag.com)
• ESA and NASA dusted off some old data from four retired space telescopes and combined forces to reveal new images of the four galaxies that our closest to our own Milky Way galaxy. (universetoday.com)
• Saraceno wants to suggest a conceptual link between spider webs and the "cosmic web" of matter - galaxies, nebulae, dust and dark matter - that permeates the Universe, a topic he has discussed with astrophysicists. (nature.com)

Abstract1

• the idea is to show the amount of things that we have in the universe since abstract things without much understanding, in our infinite space we find the unknown, in various shapes and textures, Cosmic Dust tries to translate this into sound forms of his own perspective. (beatspace.com)

Particle2

• Combining the dust particle size and velocity distributions with new chemical ablation models enables the injection rates of individual elements to be predicted as a function of location and time. (hal.science)
• Toxicity of mineral dusts and a proposed mechanism for the pathogenesis of particle-induced lung diseases. (cdc.gov)

Detector2

• Parameters such as the particle's initial motion, material properties, intervening plasma and magnetic field determined the dust particle's arrival at the dust detector. (wikipedia.org)
• The Cosmic Dust/Space Debris impact detector GORID has now collected data for more than 3 years from its geostationary location at 80degrees East. (mpg.de)

Astronomers8

• Cosmic dust was once solely an annoyance to astronomers, as it obscures objects they wished to observe. (wikipedia.org)
• in the clouds of the diffuse interstellar medium, in molecular clouds, in the circumstellar dust of young stellar objects, and in planetary systems such as the Solar System, where astronomers consider dust as in its most recycled state. (wikipedia.org)
• The astronomers accumulate observational 'snapshots' of dust at different stages of its life and, over time, form a more complete movie of the Universe's complicated recycling steps. (wikipedia.org)
• With the advent of the JWST, astronomers have now been able to analyse the composition of cosmic dust during the first billion years of cosmic time, when the initial stages of galaxy evolution took place. (ox.ac.uk)
• Professor of Astrophysics Andy Bunker (Department of Physics, University of Oxford), a co-author for the study, explained: 'Astronomers can acquire information about the composition of cosmic dust by observing the wavelengths of light that it blocks. (ox.ac.uk)
• The images were taken from the European Space Agency's (ESA) Planckspace observatory and give astronomers a new view into the complex physicsthat shape the dust and gas in our Milky Way. (space.com)
• How- ever, astronomers suppose that the moon is covered by a layer of dust of great antiquity (7). (nih.gov)
• Studying this redshifted energy allows astronomers to peer though curtains of cosmic debris to see the light emitted from primordial stars that formed just 100 to 250 million years after the Big Bang, a time known as the cosmic dawn. (nih.gov)

Molecules1

• For one particular galaxy, the analysis showed a prominent dip in the light around this wavelength, which indicates that dust grains made of carbon molecules are present in the gas within this galaxy. (ox.ac.uk)

Radiation4

• But the Planck observatory scans the universe at longmicrowave wavelengths, allowing it to peer through the dust at the newbornstars, as well as study the background radiation of the universe. (space.com)
• No stranger to investigating perplexing cosmic questions, Mather shared the 2006 Nobel Prize in physics with George Smoot for measuring the electromagnetic radiation produced by the Big Bang. (nih.gov)
• The longer the wavelength the older the light, and unlike visible starlight, infrared radiation can permeate clouds of dust and gas. (nih.gov)
• Naturally occurring sources of radiation are cosmic radiation from space or radioactive materials in soil or building materials. (cdc.gov)

Aggregates5

• Microparticle dust aggregates, which are thought to play a role in the formation of new planets, are less likely to stick together after a collision when the aggregates are larger. (tohoku.ac.jp)
• Recent modeling suggests that dust aggregates are less likely to stick together after a collision as the size of the aggregates increases. (tohoku.ac.jp)
• A team of astrophysicists performed numerical simulations of dust aggregate collisions, with equal-mass aggregates varying between 10,000 and 140,000 microns (one to 14 cm) in size, using soft-sphere discrete element methods. (tohoku.ac.jp)
• Their modeling indicated that increasing the radius of microparticle dust aggregates decreased the sticking probability, or likelihood that two aggregates would stick together and form a larger aggregate after collision. (tohoku.ac.jp)
• Earlier modeling simulations and laboratory experiments characterizing the threshold for the sticking/bouncing barrier of dust aggregate collisions often produced conflicting results, which the research team and others hypothesized was due to varying sizes of aggregates. (tohoku.ac.jp)

Comet dust1

• Solar System dust includes comet dust, planetary dust (like from Mars), asteroidal dust, dust from the Kuiper belt, and interstellar dust passing through the Solar System. (wikipedia.org)

Grains made1

• Initially, the emission was thought to be generated by rapidly spinning dust grains made of polycyclic aromatic hydrocarbons. (natureasia.com)

Universe5

• The evolution of dust traces out paths in which the Universe recycles material, in processes analogous to the daily recycling steps with which many people are familiar: production, storage, processing, collection, consumption, and discarding. (wikipedia.org)
• The seemingly empty spaces in our Universe are in reality often not empty at all, but occupied by clouds of gas and cosmic dust. (ox.ac.uk)
• These dust grains, produced through various processes such as supernovae explosions, play a crucial role in the evolution of the Universe, acting as the birthplaces for new stars and planets. (ox.ac.uk)
• It provided independent and solid evidence that the cosmic dust in the early universe was formed in supernovae. (konfidenciale.com)
• The idea runs like this: the observable universe is 93 billion light-years in diameter, which makes the earth and us on less than a speck against the backdrop of such a vast cosmic dark. (creation.com)

Saturn2

• In the Solar System, dust plays a major role in the zodiacal light, Saturn's B Ring spokes, the outer diffuse planetary rings at Jupiter, Saturn, Uranus and Neptune, and comets. (wikipedia.org)
• The greatest probability for life in our solar system, Blumberg says, is on Mars, Europa (a moon of Jupiter), and Titan (a moon of Saturn), as well as in 'cosmic dust,' which can also be found all over Earth. (nih.gov)

Rays1

• Dust, stars, and cosmic rays swirling around Comet 67P, captured by the Rosetta probe. (soup.io)

Full of dust1

• One thing is common among the four new images: they are full of dust! (universetoday.com)

Debris1

• However, the Jena astrophysicist, accompanied by an international team of scientists, has observed six stars similar to the sun with extraordinary dust belts: The newly discovered debris disks are not only bigger than the Kuiper Belt. (nanowerk.com)

Planets2

• For example, cosmic dust can drive the mass loss when a star is nearing the end of its life, play a part in the early stages of star formation, and form planets. (wikipedia.org)
• The present study showed that the dust clumps that are the material for planets stop growing when they grow to a certain size, as large clumps are difficult to adhere to each other. (tohoku.ac.jp)

Cold dust1

• At higher frequencies, Planck maps the sparse amount of heatgiven out by extremely cold dust. (space.com)

Supernovae2

• Potentially, these may have been produced by early supernovae explosions or Wolf-Rayet stars: very hot stars that tend to live fast and die young, giving enough time for generations of stars to have distributed carbon-rich grains into the surrounding cosmic dust in under a billion years. (ox.ac.uk)
• Co-author Dr Aayush Saxena (Department of Physics, University of Oxford) added: 'The formation processes of interstellar dust are uncertain, but it is generally believed that supernovae (exploding stars) and evolved stars play a major role in the dust production. (ox.ac.uk)

Planetesimals2

• The formation process of kilometer-sized bodies, planetesimals, from cosmic dust, which is the initial stage of planet formation, has been one of the biggest problems in the theory of planet formation," said Hidekazu Tanaka, one of the authors of the study and professor at the Astronomical Institute in the Graduate School of Science at Tohoku University in Sendai, Japan. (tohoku.ac.jp)
• This will help to settle the question of whether the formation of planetesimals is possible through the adhesion of dust clumps or not," said Tanaka. (tohoku.ac.jp)

Astrophysics1

• The interdisciplinary study of dust brings together different scientific fields: physics (solid-state, electromagnetic theory, surface physics, statistical physics, thermal physics), fractal mathematics, surface chemistry on dust grains, meteoritics, as well as every branch of astronomy and astrophysics. (wikipedia.org)

Concentrations2

• However, recent positional cross-correlations of AME and concentrations of these dust grains in our Galaxy came back negative, bringing this theory into doubt. (natureasia.com)
• Cesium is a naturally-occurring element found in rocks, soil, and dust at low concentrations. (cdc.gov)

Smaller fraction1

• A smaller fraction of dust in space is "stardust" consisting of larger refractory minerals that condensed as matter left by stars. (wikipedia.org)

Warmer1

• By way of comparison: The Kuiper Belt is about 70 °C degree warmer, some of the dust disks even reach room temperature. (nanowerk.com)

Space4

• There are several methods to obtain space dust measurement. (wikipedia.org)
• Cosmic dust is dust which exists in space . (wn.com)
• Cosmic Dust is an interstellar adventure through the never-ending void that is space and time. (cellarmakerbrewing.com)
• After the Horizon 2000 programme started in 1983, followed by its extension Horizon 2000 Plus, the European Space Agency ( ESA ) is committed until 2035 into the Cosmic Vision programme that includes the launches of Athena (2031) and LISA (2034). (cea.fr)

Explains2

• At least one fifth of stars are surrounded by dust belts like these," Prof. Dr. Alexander Krivov from the Friedrich-Schiller-University Jena explains. (nanowerk.com)
• This mechanism explains why one dust (e.g., quartz or nanoparticle s) is more toxic than another (e.g., micrometer-sized TiO2), why dust-induced lesions progress with time, and why lung cancer occurs in rats but not in mice and hamsters exposed to the same duration and concentration of dust. (cdc.gov)

Emission1

• Dr. Jeonghee Rho, a research scientist at the SETI Institute and the lead author of this research, said that the polarized dust emission belongs to the SNR Cas A and is not random interstellar emission. (konfidenciale.com)

Content1

• The oxidative content per BALF cell was also directly proportional to both the dose and cytotoxicity of the dusts. (cdc.gov)

Cloud1

• These outer layers became a massive cloud of dust and gas, which is characterized by bright colors and intricate patterns, known as a planetary nebula. (universetoday.com)

Time1

• Modelling studies predict, however, that PAHs would require several hundreds of millions of years to form, making it unlikely that they were present within the first billion years of cosmic time. (ox.ac.uk)

Carbon3

• For instance, we know that carbon-rich dust grains can be particularly efficient at absorbing ultraviolet light with a wavelength of around 217.5 nanometres. (ox.ac.uk)
• This image highlights the location of the galaxy JADES-GS-z6, where the observation of carbon-rich dust grains was made. (ox.ac.uk)
• HN - 2009 MH - Anthracosis UI - D055008 MN - C8.381.483.581.62 MN - C8.381.520.702.62 MS - A diffuse parenchymal lung disease caused by accumulation of inhaled CARBON or coal dust. (nih.gov)

Study1

• A wide range of methods is available to study cosmic dust. (wikipedia.org)

Form1

• Stars typically form in cosmic nurseries hidden behind veilsof interstellar dust. (space.com)

Increases2

• Intratracheally instilled at 0, 1, 2.5, or 7.5 mg/rat, all dusts caused dose-dependent increases in pulmonary lesions, and enhancement of biomarkers of toxicity assessed in bronchoalveolar lavage fluids (BALF). (cdc.gov)
• We further observed dose-dependent and dust-cytotoxicity-dependent increases in neutrophils. (cdc.gov)

Formation1

• The adhesive growth of dust clumps is a key process in the planet-formation process. (tohoku.ac.jp)