Chemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureHumanitiesHealth CareGeographicals
PlanetsEarth (Planet)Evolution, PlanetaryExobiologyAstronomyStars, CelestialExtraterrestrial EnvironmentAstronomical PhenomenaMinor PlanetsMercury (Planet)Solar SystemNeptuneAtmosphereLifeMeteoroidsMarsBiogenesisUranusEvolution, ChemicalGeologyTidal WavesMoonPlutoSpacecraftIceSpace FlightJupiterSpace SimulationSolar ActivityMetals, Alkaline EarthCosmic DustCosmic RadiationGeological PhenomenaCountercurrent DistributionOceans and SeasBiodiversityEcosystemHuman Activities
Planets
Celestial bodies orbiting around the sun or other stars.
Earth (Planet)
Planet that is the third in order from the sun. It is one of the four inner or terrestrial planets of the SOLAR SYSTEM.
Evolution, Planetary
Creation and development of bodies within solar systems, includes study of early planetary geology.
Exobiology
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.
Astronomy
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)
Stars, Celestial
Large bodies consisting of self-luminous gas held together by their own gravity. (From McGraw Hill Dictionary of Scientific and Technical Terms, 6th ed)
Extraterrestrial Environment
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.
Astronomical Phenomena
Aggregates of matter in outer space, such as stars, planets, comets, etc. and the properties and processes they undergo.
Minor Planets
Small solar system planetary bodies including asteroids. Most asteroids are found within the gap lying between the orbits of Mars and Jupiter.
Mercury (Planet)
The first planet in order from the sun. It has no known natural satellites. It is one of the four inner or terrestrial planets of the solar system.
Solar System
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)
Neptune
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.
Atmosphere
The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)
Life
The state that distinguishes organisms from inorganic matter, manifested by growth, metabolism, reproduction, and adaptation. It includes the course of existence, the sum of experiences, the mode of existing, or the fact of being. Over the centuries inquiries into the nature of life have crossed the boundaries from philosophy to biology, forensic medicine, anthropology, etc., in creative as well as scientific literature. (Random House Unabridged Dictionary, 2d ed; Dr. James H. Cassedy, NLM History of Medicine Division)
Meteoroids
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)
Mars
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.
Biogenesis
The origin of life. It includes studies of the potential basis for life in organic compounds but excludes studies of the development of altered forms of life through mutation and natural selection, which is BIOLOGICAL EVOLUTION.
Uranus
The seventh planet in order from the sun. It is one of the five outer planets of the solar system. It has five known natural satellites.
Evolution, Chemical
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.
Geology
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)
Tidal Waves
Water waves caused by the gravitational interactions between the EARTH; MOON; and SUN.
Moon
The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil.
Pluto
The ninth planet in order from the sun. It is one of the five outer planets of the solar system. Its only natural satellite is Charon.
Spacecraft
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)
Ice
The solid substance formed by the FREEZING of water.
Space Flight
Travel beyond the earth's atmosphere.
Jupiter
The fifth planet in order from the sun. It is one of the five outer planets of the solar system. Its sixteen natural satellites include Callisto, Europa, Ganymede, and Io.
Space Simulation
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.
Solar Activity
Any type of variation in the appearance of energy output of the sun. (NASA Thesaurus, 1994)
Metals, Alkaline Earth
Metals that constitute the group 2 (formerly group IIa) of the periodic table.
Cosmic Dust
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)
Cosmic Radiation
High-energy radiation or particles from extraterrestrial space that strike the earth, its atmosphere, or spacecraft and may create secondary radiation as a result of collisions with the atmosphere or spacecraft.
Geological Phenomena
The inanimate matter of Earth, the structures and properties of this matter, and the processes that affect it.
Countercurrent Distribution
A method of separation of two or more substances by repeated distribution between two immiscible liquid phases that move past each other in opposite directions. It is a form of liquid-liquid chromatography. (Stedman, 25th ed)
Oceans and Seas
A great expanse of continuous bodies of salt water which together cover more than 70 percent of the earth's surface. Seas may be partially or entirely enclosed by land, and are smaller than the five oceans (Atlantic, Pacific, Indian, Arctic, and Antarctic).
Biodiversity
The variety of all native living organisms and their various forms and interrelationships.
Ecosystem
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)
Human Activities
Activities performed by humans.
I'm sorry for any confusion, but the term "planets" is not a medical term and does not have a medical definition. It is a term used in astronomy to describe celestial bodies that orbit the sun, are spherical in shape, and have cleared their orbit of other debris.

I'm sorry for any confusion, but "planets" is not a medical term. It is a term used in astronomy to refer to celestial bodies that orbit the sun and meet certain criteria, such as having cleared their orbit of other debris. If you have any questions about medical terminology or concepts, I'd be happy to try to help!

Planetary evolution is the process of change and development of a planet over time, including its internal and external structures, atmosphere, magnetic field, climate, geological activity, and potential emergence and evolution of life forms, driven by various physical, chemical, and biological mechanisms and interactions with celestial bodies.

Planetary evolution is a field of study that focuses on the processes that have shaped the formation, development, and changes of planets and other celestial bodies over time. This encompasses various scientific disciplines, including astronomy, astrobiology, geology, and atmospheric science. The study of planetary evolution helps scientists understand how planets form, how they change over time, and the conditions that allow for the development of life.

The process of planetary evolution can be driven by a variety of factors, including:

1. Formation: Planets form from a protoplanetary disk, a rotating disk of gas and dust surrounding a young star. Over time, solid particles in the disk collide and stick together to form larger and larger bodies, eventually leading to the formation of planets.
2. Internal differentiation: As planets grow, their interiors differentiate into layers based on density, with heavier materials sinking towards the center and lighter materials rising towards the surface. This process can lead to the formation of a core, mantle, and crust.
3. Geological activity: Planetary evolution is also influenced by geological processes such as volcanism, tectonics, and erosion. These processes can shape the planet's surface, create mountain ranges, and carve out valleys and basins.
4. Atmospheric evolution: The evolution of a planet's atmosphere is closely tied to its geological activity and the presence of volatiles (gases that easily vaporize). Over time, the composition of a planet's atmosphere can change due to processes such as outgassing from the interior, chemical reactions, and interactions with the solar wind.
5. Climate evolution: The climate of a planet can also evolve over time due to changes in its orbit, axial tilt, and atmospheric composition. These factors can influence the amount of sunlight a planet receives and the greenhouse effect, which can lead to global warming or cooling.
6. Impact events: Collisions with other celestial bodies, such as asteroids and comets, can significantly impact a planet's evolution by causing large-scale changes to its surface and atmosphere.
7. Life: On planets where life emerges, biological processes can also play a role in shaping the planet's environment and influencing its evolution. For example, photosynthetic organisms can produce oxygen, which can alter the composition of a planet's atmosphere.

Understanding the various factors that contribute to a planet's evolution is crucial for understanding the formation and development of planetary systems and searching for potentially habitable exoplanets.

Exobiology, also known as astrobiology, is the interdisciplinary study that explores the origin, evolution, distribution, and future of life in the universe, primarily focusing on the search for extraterrestrial life and understanding the potential for life to exist beyond Earth.

Exobiology, also known as astrobiology, is the branch of biology and astronomy that deals with the search for extraterrestrial life and the study of the origin, evolution, distribution, and future of life in the universe. It involves the examination of the conditions necessary for life to exist, such as the presence of water, organic molecules, and a stable energy source, as well as the identification and characterization of extremophiles, organisms that can survive under extreme conditions on Earth that may be similar to those found on other planets or moons. Exobiologists also use data from space missions and telescopes to search for biosignatures, or signs of life, in the atmospheres of distant exoplanets.

Astronomy is not typically considered a medical field; it's a branch of science that deals with the study of celestial objects, phenomena, and processes outside the Earth's atmosphere.

Astronomy is not a medical term, but rather it is a branch of science that deals with the study of celestial objects, phenomena, and processes outside the Earth's atmosphere. It involves observing stars, planets, galaxies, and other cosmic entities, and using physical laws to understand their properties and behavior.

Therefore, there is no medical definition for astronomy. However, it is worth noting that some areas of astronomy may have applications in medicine, such as the use of medical imaging techniques that were developed based on principles used in radio astronomy.

(Note: I believe there may be some confusion in your request as "Stars, Celestial" are astronomical objects and not typically referred to in medical definitions. However, I will still provide a general definition for celestial stars.)

I'm sorry for any confusion, but "Stars, Celestial" is not a medical term. The term "stars" or "celestial bodies" is used in astronomy to refer to large, luminous spheres of plasma held together by gravity. They produce light and heat from the fusion of hydrogen into helium at their cores.

If you have any questions related to medical terminology, I'd be happy to help!

An 'Extraterrestrial Environment' is, in the context of medicine, a hypothetical setting defined as any physical location outside of Earth's atmosphere or biosphere, which would present unique challenges and require specialized medical knowledge, equipment, and procedures to ensure human survival and health.

The term "extraterrestrial environment" is not typically used in a medical context, but rather in the fields of astronomy and astrobiology. It generally refers to any physical environment outside of Earth, including the surfaces and atmospheres of other planets, moons, asteroids, comets, and interstellar space.

In a broader sense, one might use the term "extraterrestrial environment" to refer to any physical conditions that are not found naturally on Earth, such as extreme temperatures, radiation levels, or atmospheric compositions. However, this is not a standard medical definition.

It's worth noting that there may be potential health implications for humans who travel to extraterrestrial environments, as they would be exposed to new and potentially hazardous conditions. As such, space medicine is a growing field of research that aims to understand and mitigate the health risks associated with space travel.

'Astronomical phenomena' is not a term used in medical definitions, as it belongs to the field of astronomy; it refers to the various observable events and appearances in the celestial bodies and space, such as supernovas, solar eclipses, or black holes, which are not within the scope of medical terminology.

Astronomical phenomena are observable events that occur in the universe beyond our planet Earth. These can include a wide range of occurrences such as:

1. The movement and positions of celestial bodies like stars, planets, asteroids, comets, and galaxies.
2. Changes in the brightness or appearance of celestial objects, such as eclipses, transits, novae, and supernovae.
3. Phenomena related to the life cycles of stars, like stellar evolution, neutron star formation, black hole creation, etc.
4. Natural phenomena that occur in the interstellar medium or intergalactic space, such as nebulae, pulsars, quasars, and active galactic nuclei.
5. Gravitational effects on light, such as gravitational lensing and gravitational waves.
6. Phenomena related to the structure and evolution of the universe, like cosmic microwave background radiation and dark matter.

These phenomena are studied by astronomers using various observational techniques and instruments, including telescopes that detect different parts of the electromagnetic spectrum, as well as space-based observatories and astrophysical experiments.

Medically, the term 'Minor Planets' doesn't have a specific definition, as it is a term used in astronomy to refer to celestial bodies that are smaller than planets and larger than asteroids, orbiting the Sun.

I'm sorry for any confusion, but the term "minor planets" is not typically used in medical definitions. It is a term from astronomy that refers to small celestial bodies orbiting the Sun, which are smaller than planets and dwarf planets. They are also commonly known as asteroids. If you have any questions related to medical terminology or health concerns, I would be happy to help with those instead!

I'm sorry for any confusion, but a medical definition of "Solar System" doesn't exist, as the term is typically used in astronomy and physics to refer to the Sun and the objects that orbit it, including planets, dwarf planets, asteroids, comets, and meteoroids.

I'm sorry for any confusion, but "Solar System" is not a medical term. It refers to the astronomical system that includes our star, the Sun, and the objects that orbit it, such as planets, dwarf planets, asteroids, comets, and meteoroids. The Solar System is located in the Milky Way galaxy. If you have any medical terms or concepts you would like me to define or explain, I'd be happy to help!

I'm sorry for any confusion, but the term "Neptune" is not a recognized medical term or concept in human health or medicine; it is the eighth and farthest known planet from the Sun in the Solar System. If you have any questions about astronomy or space sciences, I might be able to help you with those.

I'm sorry for any confusion, but "Neptune" is not a term commonly used in medical definitions. Neptune is the eighth and farthest known planet from the Sun in the Solar System. It is the fourth-largest planet by diameter and the third-largest by mass.

If you have any questions related to medical terminology or health concerns, I'd be happy to help with those instead!

In a medical context, 'atmosphere' is not a term with a specific clinical definition; it may refer to the physical environment or ambiance of a healthcare setting, which can influence patients' perceptions of care quality and emotional well-being.

In medical terms, the term "atmosphere" is not typically used as a standalone definition or diagnosis. However, in some contexts, it may refer to the physical environment or surroundings in which medical care is provided. For example, some hospitals and healthcare facilities may have different atmospheres depending on their specialties, design, or overall ambiance.

Additionally, "atmosphere" may also be used more broadly to describe the social or emotional climate of a particular healthcare setting. For instance, a healthcare provider might describe a patient's home atmosphere as warm and welcoming, or a hospital ward's atmosphere as tense or chaotic.

It is important to note that "atmosphere" is not a medical term with a specific definition, so its meaning may vary depending on the context in which it is used.

"Life is a characteristic that distinguishes physical entities having biological processes, such as growth, reproduction, metabolism, and response to stimuli, from those that do not." - National Cancer Institute.

Defining "life" is a complex question that has been debated by philosophers, scientists, and theologians for centuries. From a biological or medical perspective, life can be defined as a characteristic that distinguishes physical entities that do have biological processes, such as growth, reproduction, and response to stimuli, from those that do not, either because such functions have ceased (death), or because they never had such functions and are classified as inanimate.

The National Institutes of Health (NIH) defines life as "the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death."

It's important to note that there is no one universally accepted definition of life, and different fields and disciplines may have slightly different definitions or criteria.

Meteoroids are small, natural particles, ranging in size from dust grains to boulders, that originate from various sources such as comets, asteroids, and the Moon or Mars, and are present in the solar system. They become meteors or "shooting stars" when they enter the Earth's atmosphere and vaporize due to friction with the air. However, it is important to note that 'Meteoroids' is not a medical term; it falls under the field of astronomy and space science.

I'm sorry for any confusion, but "meteoroids" is not a term used in medical definitions. It is a term from the field of astronomy. Meteoroids are small particles or bits of rock that are traveling in space. When they enter the Earth's atmosphere, they can become meteors (also known as "shooting stars") and can sometimes make it to the ground as meteorites.

* Mars, in medical context, does not have a specific clinical definition; it is the red planet in our solar system, and historically, it has been used as a code word in medical charting to represent the male gender, particularly in obstetrics and gynecology, as 'Venus' is used for female.

I'm sorry for any confusion, but "Mars" is not a medical term. It is the fourth planet from the Sun in our solar system and is often called the "Red Planet" due to its reddish appearance from iron oxide (rust) on its surface. If you have any medical questions or terms you would like defined, I'd be happy to help!

Biogenesis is the principle that living organisms arise only from other living organisms, positing that life cannot spontaneously generate or transform from non-living matter to living matter.

Biogenesis is the biological process by which living organisms reproduce or generate new individuals through reproduction. This term also refers to the idea that a living organism can only arise from another living organism, and not from non-living matter. It was first proposed as a hypothesis by Thomas Henry Huxley in 1870, and later supported by the work of Louis Pasteur in the mid-19th century, who demonstrated that microorganisms could not spontaneously generate from non-living matter. This concept is now widely accepted in biology and is a fundamental principle of modern cell theory.

I'm sorry for any confusion, but "Uranus" is not a term with a medical definition; it is the name of the seventh planet from the sun in our solar system. If you have any questions related to medicine or health, I would be happy to try and help answer those for you!

I'm sorry for any confusion, but the term 'Uranus' is not a medical concept or condition. It is the seventh planet from the Sun in our solar system. If you have any medical questions or terms you would like defined, I'd be happy to help!

Chemical Evolution is the hypothetical process by which simple inorganic compounds evolved into more complex organics, and eventually to life, through a series of naturally occurring chemical reactions, possibly driven by energy sources such as sunlight, radiation, or electric discharges, without the involvement of any biological organisms.

Chemical evolution is a term that refers to the set of processes thought to have given rise to life from simple inorganic compounds. It is a prebiotic process, meaning it occurred before the existence of life. The fundamental idea behind chemical evolution is that simple chemicals underwent a series of transformations, eventually leading to the formation of complex organic molecules necessary for life, such as amino acids, nucleotides, and lipids. These building blocks then came together to form the first self-replicating entities, which are considered the precursors to modern cells.

The concept of chemical evolution is based on several key observations and experiments. For example, it has been shown that simple inorganic compounds can be transformed into more complex organic molecules under conditions believed to have existed on early Earth, such as those found near hydrothermal vents or in the presence of ultraviolet radiation. Additionally, experiments using simulated prebiotic conditions have produced a variety of biologically relevant molecules, supporting the plausibility of chemical evolution.

It is important to note that chemical evolution does not necessarily imply that life emerged spontaneously or randomly; rather, it suggests that natural processes led to the formation of complex molecules that eventually gave rise to living organisms. The exact mechanisms and pathways by which this occurred are still subjects of ongoing research and debate in the scientific community.

I'm sorry for any confusion, but 'geology' is not a medical term; it is an earth science that deals with the Earth's physical structure and substance, its history, and the processes that act on it. If you have any questions related to medical terminology, I would be happy to help!

I'm sorry for any confusion, but "geology" is not a medical term. It is a scientific discipline that deals with the Earth's physical structure and substance, its history, and the processes that act on it. If you have any questions about medical terminology or concepts, I would be happy to help!

'Tidal waves,' a term often misused to describe massive sea surges in the context of natural disasters, is correctly defined in medical terminology as the rhythmic and cyclical changes in volume seen in body cavities or organs due to variations in external pressure, coinciding with the phases of the moon (no relation to the catastrophic 'tsunamis' that occur in oceans).

I believe there might be a misunderstanding in your question. In medical terms, there is no definition for "tidal waves." However, the term "tidal wave" is commonly used in layman's language to refer to massive waves caused by earthquakes or underwater landslides, which are technically called tsunamis. Tsunamis are rapid, long-wavelength sea waves that can cause extensive coastal damage and loss of life.

If you meant a different term related to medicine or healthcare, please clarify so I can provide an accurate definition.

"Moon," in a medical context, is not a term with a specific clinical definition; it is colloquially used to describe a pale, bluish discoloration on the skin or mucous membranes due to subcutaneous extravasation of venous blood, often caused by trauma or surgery.

I'm sorry for any confusion, but "Moon" is not a commonly used medical term. The moon is a natural satellite that orbits around the Earth and is not related to medical terminology or anatomy. If you have any questions about medical definitions or topics, I would be happy to help!

**I'm sorry for any confusion, but "Pluto" is not a medically recognized term.** Pluto is a dwarf planet in our solar system, discovered in 1930 and reclassified as a dwarf planet in 2006 by the International Astronomical Union. It's known for its extremely cold temperature, icy surface, and eccentric orbit around the sun. If you have any medical or health-related questions, I'd be happy to help with those!

I'm sorry for any confusion, but "Pluto" is not a term used in medical definitions. It is the ninth planet from the Sun in our solar system, according to its discovery in 1930. However, in 2006, the International Astronomical Union (IAU) redefined the definition of a planet and Pluto did not meet all the criteria, so it's now classified as a "dwarf planet."

If you have any medical concerns or questions, I would be happy to help if you could provide more information!

A spacecraft is not a medical term, but it refers to a vehicle designed to fly in outer space, outside the Earth's atmosphere, and can include manned and unmanned space vehicles used for various purposes such as scientific research, communication, navigation, or transportation of crew and cargo.

I'm sorry for any confusion, but "spacecraft" is not a term typically used in medical definitions. A spacecraft is a vehicle or machine designed to fly in outer space. It may be used to transport humans or cargo to and from space stations, conduct scientific research, or explore other celestial bodies such as the moon, planets, and asteroids. If you have any questions related to medical terminology, I'd be happy to help!

"Ice," in a medical context, is a slang term often used to refer to the substance Methamphetamine Hydrochloride, a highly addictive central nervous system stimulant that can be crushed into a crystalline form and typically smoked or injected for its euphoric effects."

"Ice" is a slang term that is commonly used to refer to crystal methamphetamine, which is a powerful and highly addictive stimulant drug. It gets its name from its crystalline appearance. Medically, methamphetamine is used in the treatment of attention deficit hyperactivity disorder (ADHD) and obesity, but only under strict medical supervision due to its potential for abuse and serious side effects.

Crystal methamphetamine, on the other hand, is an illegal drug that is produced and sold on the black market. It can be smoked, injected, snorted or swallowed, and it produces a euphoric rush followed by a long-lasting high. Long-term use of crystal methamphetamine can lead to serious health consequences, including addiction, psychosis, dental problems (meth mouth), memory loss, aggression, and cardiovascular damage.

'Space Flight' is the act of traveling into or through outer space beyond Earth's atmosphere, typically accomplished by a spacecraft carrying crew or cargo, propelled by rocket engines and supported by complex systems for navigation, life support, communication, and environmental control.

"Space flight" is not a term that has a specific medical definition. However, in general, it refers to the act of traveling through space, outside of Earth's atmosphere, aboard a spacecraft. This can include trips to the International Space Station (ISS), lunar missions, or travel to other planets and moons within our solar system.

From a medical perspective, space flight presents unique challenges to the human body, including exposure to microgravity, radiation, and isolation from Earth's biosphere. These factors can have significant impacts on various physiological systems, including the cardiovascular, musculoskeletal, sensory, and immune systems. As a result, space medicine has emerged as a distinct field of study focused on understanding and mitigating these risks to ensure the health and safety of astronauts during space flight.

(Note: I believe there might be a misunderstanding in your question as "Jupiter" is a planet in our solar system, and it doesn't have a medical definition. However, if you are referring to "jupiter" as a term used in the context of medical education or anatomy, it could mean a large or prominent structure, but I couldn't find any authoritative source that supports this usage. Therefore, I would kindly request clarification or reconsideration of your question.)

I'm sorry for any confusion, but "Jupiter" is not a medical term. Jupiter is the largest planet in our solar system, known for its Great Red Spot, a storm that has been raging on the planet for at least 300 years. If you have any medical concerns or questions, I'd be happy to help answer those!

"Space simulation, in a medical context, refers to the use of virtual reality technology to create simulated environments that allow healthcare professionals to practice and train for space travel-related medical procedures and emergencies."

I'm sorry for any confusion, but "space simulation" is not a term typically used in medical definitions. It is a concept more commonly found in the fields of aerospace engineering and virtual reality technology. In those contexts, space simulation refers to the creation of artificial environments intended to replicate various aspects of outer space, such as zero gravity or the appearance of celestial bodies. These simulations can be used for training astronauts, testing spacecraft and equipment, or for entertainment purposes like video games. If you have any questions related to medical definitions, I'd be happy to help with those!

Medically, 'Solar Activity' does not have a specific definition as it is not a concept within the field of medicine; it is more related to solar physics and space weather studies, where it refers to various phenomena on the Sun including sunspots, solar flares, coronal mass ejections (CMEs), and solar radiation.

I'm sorry for any confusion, but "solar activity" is not a term typically used in medical definitions. Solar activity refers to the various phenomena that occur on the Sun, including solar flares, coronal mass ejections (CMEs), and solar wind. These events involve the release of energy and charged particles from the Sun's atmosphere and can have effects on space weather and technological systems in near-Earth space. If you have any questions related to medical terminology or health-related topics, I would be happy to help with those!

Alkaline earth metals, specifically referring to the group IIA elements in the periodic table (excluding hydrogen), include beryllium, magnesium, calcium, strontium, barium, and radium, which are characterized by their relatively low density, high thermal and electrical conductivity, and reactivity primarily through loss of their outermost electron to form stable cations with a 2+ charge.

Alkaline earth metals are a group of elements in the periodic table that include beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). These metals are called "alkaline earth" because they form alkaline solutions when reacted with water, and they comprise the second group of elements in the periodic table's s-block.

These metals share several common properties:

1. They have two electrons in their outermost energy level, which makes them highly reactive and willing to lose those electrons to achieve a stable electron configuration.
2. They are all shiny, silvery-white, and solid at room temperature.
3. They have relatively low densities and melting points compared to transition metals.
4. They form oxides and hydroxides that are basic in nature, hence the term "alkaline."
5. They readily react with halogens, nitrogen, carbon, and hydrogen to form various compounds.

In a medical context, alkaline earth metals don't typically have a direct role in human physiology or pathology. However, some of their salts are used in medical applications, such as:

1. Calcium salts (e.g., calcium carbonate) are commonly used as dietary supplements and antacids to treat or prevent calcium deficiency and acid reflux.
2. Magnesium salts (e.g., magnesium sulfate) have various medical uses, including treating eclampsia, hypomagnesemia, and constipation.
3. Barium salts are used in radiology as a contrast agent for gastrointestinal imaging studies.

It is worth noting that exposure to excessive amounts of these metals can be harmful. For instance, overexposure to beryllium can lead to chronic beryllium disease, while calcium and magnesium in large quantities may cause hypercalcemia or hypermagnesemia, respectively, which can have detrimental health effects.

Cosmic dust, also known as extraterrestrial dust, refers to the tiny particles of solid matter that originate from various sources in space, including stars, comets, and interstellar medium, and can be found within our solar system and throughout the universe. While not a traditional medical topic, it is worth noting that cosmic dust may have some indirect effects on human health, such as influencing Earth's climate and atmospheric conditions, which in turn can impact public health.

Cosmic dust, also known as extraterrestrial dust or space dust, refers to tiny particles of solid matter that are present in outer space. These particles are primarily made up of rock, metal, and organic material, and they can vary in size from a few nanometers to several hundred micrometers in diameter.

Cosmic dust is formed through various processes, including the cooling and condensation of gas in interstellar clouds, supernova explosions, collisions between asteroids and comets, and the erosion of larger bodies such as planets and moons. The dust is constantly being created and destroyed in space, and it plays a critical role in the formation and evolution of stars, planets, and other celestial objects.

In addition to its importance in astrophysics, cosmic dust also has implications for human health and technology. When cosmic dust enters Earth's atmosphere, it can interact with water vapor and other chemicals to form tiny particles that can serve as nuclei for cloud formation. These particles can have a significant impact on climate and weather patterns.

Furthermore, cosmic dust can pose a risk to spacecraft and astronauts in space. The tiny particles can damage sensitive equipment and pose a health hazard to astronauts who are exposed to them during spacewalks or other extravehicular activities. As a result, understanding the properties and behavior of cosmic dust is an important area of research for both astrophysicists and engineers working in the field of space exploration.

'Cosmic radiation' refers to high-energy particles and electromagnetic waves originating from space, including the sun and distant galaxies, which can pose health risks such as DNA damage and cancer induction when they interact with biological systems like humans in space travel or on Earth.

Cosmic radiation refers to high-energy radiation that originates from space. It is primarily made up of charged particles, such as protons and electrons, and consists of several components including galactic cosmic rays, solar energetic particles, and trapped radiation in Earth's magnetic field (the Van Allen belts).

Galactic cosmic rays are high-energy particles that originate from outside our solar system. They consist mainly of protons, with smaller amounts of helium nuclei (alpha particles) and heavier ions. These particles travel at close to the speed of light and can penetrate the Earth's atmosphere, creating a cascade of secondary particles called "cosmic rays" that can be measured at the Earth's surface.

Solar energetic particles are high-energy charged particles, mainly protons and alpha particles, that are released during solar flares or coronal mass ejections (CMEs) from the Sun. These events can accelerate particles to extremely high energies, which can pose a radiation hazard for astronauts in space and for electronic systems in satellites.

Trapped radiation in Earth's magnetic field is composed of charged particles that are trapped by the Earth's magnetic field and form two doughnut-shaped regions around the Earth called the Van Allen belts. The inner belt primarily contains high-energy electrons, while the outer belt contains both protons and electrons. These particles can pose a radiation hazard for satellites in low Earth orbit (LEO) and for astronauts during spacewalks or missions beyond LEO.

Cosmic radiation is an important consideration for human space exploration, as it can cause damage to living tissue and electronic systems. Therefore, understanding the sources, properties, and effects of cosmic radiation is crucial for ensuring the safety and success of future space missions.

Medically, "Geological phenomena" is not a term with a specific definition, as it pertains to the earth sciences and refers to events and formations related to the Earth's crust, mantle, and core, such as earthquakes, volcanic eruptions, and rock formations, which are outside the scope of medical terminology.

I'm sorry for any confusion, but "geological phenomena" is not a term typically used in medical definitions. Geological phenomena refer to natural processes and features related to the earth's physical structure, composition, and the various changes it undergoes over time. This could include things like volcanic eruptions, earthquakes, rock formations, or the formation of fossil fuels. If you have a term that you would like me to provide a medical definition for, I'd be happy to help!

Countercurrent distribution is a laboratory technique used to separate and purify biological substances, based on their partition coefficients between two immiscible solvents, which are repeatedly counterflowing in opposite directions through a series of equilibration chambers.

Countercurrent distribution is a laboratory technique used in the separation and purification of chemical compounds, including drugs and natural products. It is based on the principle of countercurrent flow, where two immiscible liquids (such as an organic solvent and water) are passed through a series of connected tubes in opposite directions.

In the context of biochemistry and pharmacology, countercurrent distribution is often used to purify and analyze compounds that are present in complex biological mixtures, such as blood or plant extracts. The mixture is first loaded onto the top of the column, and then a series of solvent washes and extractions are performed to separate the components based on their partition coefficients between the two liquids.

The technique allows for the separation of compounds with similar chemical properties but different partition coefficients, making it a valuable tool in the analysis of complex mixtures. The distribution of each component is plotted as a function of the tube number, resulting in a characteristic elution profile that can be used to identify and quantify the compound of interest.

In summary, countercurrent distribution is a laboratory technique for separating and purifying chemical compounds based on their partition coefficients between two immiscible liquids passed through connected tubes in opposite directions.

'Oceans and Seas' are vast expanses of saline water covering the majority of the Earth's surface, with oceans being the larger bodies consisting of interconnected seas, while seas are generally smaller subdivisions of the oceans, often partially enclosed by land and sometimes separated from the oceans by islands or archipelagos.

I'm sorry for any confusion, but "Oceans and Seas" are not medical terms. Generally speaking, an ocean is a large body of saltwater that covers a majority of the Earth's surface, and a sea is a smaller body of saltwater that may be partially enclosed by land. However, if you have any questions related to marine biology or environmental science, I would be happy to try and help answer those for you!

"Biodiversity, in a medical context, refers to the variety and variability of living organisms, including intraspecific, interspecific, and ecosystem diversity, which play significant roles in maintaining ecological processes that provide essential health services such as air and water purification, soil formation, and buffering against extreme environmental events."

Biodiversity is the variety of different species of plants, animals, and microorganisms that live in an ecosystem. It also includes the variety of genes within a species and the variety of ecosystems (such as forests, grasslands, deserts, and oceans) that exist in a region or on Earth as a whole. Biodiversity is important for maintaining the health and balance of ecosystems, providing resources and services such as food, clean water, and pollination, and contributing to the discovery of new medicines and other useful products. The loss of biodiversity can have negative impacts on the functioning of ecosystems and the services they provide, and can threaten the survival of species and the livelihoods of people who depend on them.

While the term "ecosystem" is more commonly used in the context of environmental and life sciences, in a broad sense it can be defined as a complex network or interconnection of various elements (including both living and non-living components) that function together to maintain a balanced environment within a specific setting or condition, which can include medical and health-related applications such as gut microbiota or hospital infection prevention.

An "ecosystem" is not a term that has a specific medical definition, as it is a concept that is more commonly used in the fields of ecology and environmental science. However, I can provide you with the general ecological definition of an ecosystem:

An ecosystem is a community of living organisms interacting with each other and their non-living environment, including both biotic factors (plants, animals, microorganisms) and abiotic factors (climate, soil, water, and air). These interactions create a complex network of relationships that form the foundation of ecological processes, such as energy flow, nutrient cycling, and population dynamics.

While there is no direct medical definition for an ecosystem, understanding the principles of ecosystems can have important implications for human health. For example, healthy ecosystems can provide clean air and water, regulate climate, support food production, and offer opportunities for recreation and relaxation, all of which contribute to overall well-being. Conversely, degraded ecosystems can lead to increased exposure to environmental hazards, reduced access to natural resources, and heightened risks of infectious diseases. Therefore, maintaining the health and integrity of ecosystems is crucial for promoting human health and preventing disease.

'Human Activities' is a broad term that refers to the physical, cognitive, and social actions or behaviors undertaken by humans individually or collectively, which can have various impacts on health outcomes, ranging from positive (e.g., exercise, healthy eating) to negative (e.g., smoking, sedentary lifestyle).

I'm sorry for any confusion, but "Human Activities" is a very broad term and not something that typically has a specific medical definition. Human activities can encompass everything from physical movement like exercise or daily chores, to mental activities like work or hobbies, to social interactions, and more.

However, in a medical context, human activities might be discussed in terms of their impact on health. For example, certain activities could be considered "healthy" if they contribute to physical fitness, stress reduction, or overall well-being. Conversely, other activities might be seen as "risky" or "unhealthy" if they increase the likelihood of injury or disease.

If you're looking for information on a more specific concept related to human activities and health, please provide more details so I can give a more accurate response.

Earth'sStar'sHabitable planetsNASAPotentially habitableAsteroidEquatorRockyPlanet'sSolarClimatePlanetary systemAtmosphereRotatesDwarf starsOrbits the starEuropean Southern Observatory's2020KeplerDavid AttenboroughScientistsTerrestrialOrbitalSearchMergeNASA'sVenusMarsSystemArtist'sExoplanetLifeUnlikeMantleWorldSizeDistantCloserSpaceSun'sUltraviolet radiationTemperatureAstronomersClosestSunlightDocumentaryHumansSurroundsPlaceWorlds2019FoundScienceStarCelestialImpactsDensestMetersPhotoFootageImagery
Earth's6
  • Earth's interior structure, like that of other terrestrial planets, is differentiated between a metallic core and mantle composed of rock and silicate materials. (universetoday.com)
  • Earth's mantle extends to a depth of 2,890 km, making it the thickest layer of Earth. (universetoday.com)
  • Most of the surface of the earth's lithosphere or outer layer of Earth is covered by water. (botanical-online.com)
  • Planet Earth is surrounded by a layer of gases, popularly known as "air", which constitutes the earth's atmosphere. (botanical-online.com)
  • This gas layer stays around the Earth because it is pulled by Earth's gravity. (botanical-online.com)
  • If you have clear skies this evening, look up and you will see the Moon-a solitary Moon, the same one that has lit Earth's skies for billions of years, circling our planet with clocklike precision. (discovermagazine.com)
Star's5
  • The planet survived the violent phases of stellar evolution leading to the star's death. (cnn.com)
  • T discovery of water came from using the Hubble Space Telescope to obtain detailed spectroscopic analysis of the star's light when the planet crosses in front of it. (cosmosmagazine.com)
  • A reanalysis of data from NASA's Kepler space telescope has revealed an Earth-size exoplanet orbiting in its star's habitable zone, the area around a star where a rocky planet could support liquid water. (sciencedaily.com)
  • Most of the time, those dips come from phenomena other than planets -- ranging from natural changes in a star's brightness to other cosmic objects passing by -- making it look like a planet is there when it's not. (sciencedaily.com)
  • A record-breaking three planets in this system are super-Earths inside the star's habitable zone, where liquid water could exist, making them possible candidates for alien life. (space.com)
Habitable planets3
  • Astronomers have identified a new class of habitable planets, which they call Hycean planets. (cnn.com)
  • Artistic representations of the three potentially habitable planets around the star Gliese 667C as compared with Earth. (space.com)
  • All three potentially habitable planets (c, f, and e) orbit within the 'conservative habitable zone. (space.com)
NASA2
  • Starting in the 1980s, NASA began to systematize its study of our home world, calling it their "mission to planet Earth. (planetary.org)
  • The current funding crisis at NASA means that every program in the space agency - whether in the area of human spaceflight, robotic planetary exploration, or Earth observation - is under pressure to defend its very existence. (planetary.org)
Potentially habitable2
  • TOI 700 d is the first potentially habitable Earth-size planet spotted by NASA's planet-hunting TESS mission. (cnn.com)
  • The Habitable Exoplanets Catalog now list a dozen object of interest as potentially habitable worlds with the addition of two new planets, Gliese 667C e and f (Gliese 667C c was known since early 2012). (space.com)
Asteroid2
  • Destroy Humanity with virus outbreaks, asteroid impacts and more as Planet Earth! (steampowered.com)
  • I am an asteroid heading towards this silly planet's way, that blue idiot calling itself earth and bragging about its people, pfff! (chabad.org)
Equator3
  • The shape of Earth approximates that of an oblate spheroid, a sphere flattened along the axis from pole to pole such that there is a bulge around the equator. (universetoday.com)
  • This bulge results from the rotation of Earth, and causes the diameter at the equator to be 43 kilometres (27 mi) larger than the pole-to-pole diameter. (universetoday.com)
  • Earth is shaped like a sphere, although it is not a perfect sphere , since it is flattened at the poles and bulky at the Equator. (botanical-online.com)
Rocky7
  • Earth is a rocky planet. (botanical-online.com)
  • This artist's illustration depicts the rocky exoplanet GJ 486 b, which orbits a red dwarf star located 26 light-years away from Earth. (cnn.com)
  • The planet is believed to be rocky and to have a mass about a quarter that of Earth. (cnn.com)
  • It appeared to be a super-Earth, a rocky planet more massive than Earth, but Kepler couldn't tell us for sure. (extremetech.com)
  • Astronomers have detected water vapour in the atmosphere of a rocky planet orbiting in the habitable zone of a star (the region that is neither too close nor too far from the star for it to be possible for planets to have liquid, surface water) 110 light-years away. (cosmosmagazine.com)
  • The system has another rocky planet of about the same size, but it orbits the star at about half the distance of Kepler-1649c, similar to how Venus orbits our Sun at about half the distance that Earth does. (sciencedaily.com)
  • The planets are shown assuming a rocky composition with surfaces mostly covered by water clouds. (space.com)
Planet's4
  • Our team of expert science writers and editors are here to reveal our planet's secrets - from the deepest depths of the ocean , through the coldest places on Earth to the very edge of space - keeping you up to date with the latest discoveries with planet Earth news, articles and features. (livescience.com)
  • As AIRS laps around the Earth, a 3D picture of the planet's atmosphere begins to emerge. (planetary.org)
  • Also, the amount of starlight it receives from its host star is 75% of the amount of light Earth receives from our Sun -- meaning the exoplanet's temperature may be similar to our planet's as well. (sciencedaily.com)
  • They wander in response to the pressure of sunlight and to subtle gravitational perturbations: sometimes drifting close to Earth, occasionally making an impact, and every once in a while becoming trapped by our planet's gravity. (discovermagazine.com)
Solar16
  • With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface. (nationalgeographic.com)
  • Every other solar system planet was named for a Greek or Roman deity, but for at least a thousand years, some cultures have described our world using the Germanic word "earth," which means simply "the ground. (nationalgeographic.com)
  • In addition to being the birthplace of humanity and the cradle of human civilization, Earth is the only known planet in our Solar System that is capable of sustaining life. (universetoday.com)
  • As a terrestrial planet, Earth is located within the Inner Solar System between between Venus and Mars (which are also terrestrial planets). (universetoday.com)
  • With a mean radius of 6371 km and a mass of 5.97×10 24 kg , Earth is the fifth largest and fifth most-massive planet in the Solar System. (universetoday.com)
  • In essence, it is the largest terrestrial planet, but is smaller and less massive than any of the gas/ice giants of the Outer Solar System . (universetoday.com)
  • And with a mean density of 5.514 g/cm³, it is the densest planet in the Solar System. (universetoday.com)
  • European scientists have discovered what they describe as the smallest Earth-like planet orbiting a star outside our Solar System. (bbc.co.uk)
  • Earth is a planet in the Solar System. (botanical-online.com)
  • Like, the rest of the 8 planets that make up the solar system , revolve around a star that is known by the name of the Sun. This movement lasts 365,256 days. (botanical-online.com)
  • On the one hand it decreases the energy of the solar rays that reach the Earth. (botanical-online.com)
  • This artist's impression shows a close-up view of Proxima d, a planet candidate recently found orbiting the red dwarf star Proxima Centauri, the closest star to the Solar System. (cnn.com)
  • Terrestrial analogues"-places where the geology or the climate mimics other planets in our solar system-are scattered across the globe. (unrealitymag.com)
  • This is the only planet we know outside the Solar System that has the correct temperature to support water, has an atmosphere, and has water in it," he says, "making this planet the best candidate for habitability that we know right now. (cosmosmagazine.com)
  • The planet, known as K2-18b , was discovered in 2015 when the Kepler Space Telescope observed its silhouette crossing between us and its star, once every 33 days - putting it just the right distance from its dim sun to receive about the same amount of solar energy as Earth. (cosmosmagazine.com)
  • The atmosphere of the Earth protects us and all life on the planet from cosmic rays, solar ultraviolet radiation and solar winds. (lu.se)
Climate4
  • His passionate cri de couer for the state of our planet is taken from his chapter in Holding the Hope: reviving psychological and spiritual agency in the face of climate change , published by PCCS Books. (bacp.co.uk)
  • In the exhibition, Earth and the Climate through the Ages, the pupils take part in a climate expedition to see how the climate has changed through the ages. (lu.se)
  • The exhibition The Earth and the climate throughout history was developed and built by staff at the Vattenhallen Science Centre in consultation with the researchers at the Departments of Geology , Biology och Physical Geography & Ecosystem Science at Lund University. (lu.se)
  • Although progress has been made in our understanding of the carbon cycle and climate there are several fundamental science questions that remain unanswered and that are pivotal for an increased understanding of the Earth System as well as for our ability to predict future changes through modeling. (lu.se)
Planetary system1
  • This artist's illustration shows L 98-59b, one of the planets in a planetary system 35 light-years away from Earth. (cnn.com)
Atmosphere5
  • The atmosphere not only nourishes life on Earth, but it also protects it: It's thick enough that many meteorites burn up before impact from friction, and its gases-such as ozone-block DNA-damaging ultraviolet light from reaching the surface. (nationalgeographic.com)
  • We are very visibly and significantly modifying the surface of the Earth, modifying the atmosphere. (space.com)
  • A planet with an atmosphere that vaporises rock? (cosmosmagazine.com)
  • It will swing by the planet on its way to study the sun's atmosphere. (wbur.org)
  • Two, you're going to be crushed by the atmosphere that's pushing down on you - 92 times the atmosphere of Earth right there - and then three, if it starts raining, it doesn't rain water. (wbur.org)
Rotates3
  • Earth rotates on its axis every 23.9 hours, defining day and night for surface dwellers. (nationalgeographic.com)
  • The planet earth rotates in its orbit. (animationlibrary.com)
  • In addition to rotating around the Sun, Earth also rotates on itself in a movement known as rotation, which lasts exactly 23.93 hours. (botanical-online.com)
Dwarf stars2
  • Scientists are excited to see more planets orbiting red dwarf stars like K2-18. (extremetech.com)
  • Red dwarf stars are among the most common in the galaxy, meaning planets like this one could be more common than we previously thought. (sciencedaily.com)
Orbits the star1
  • Two other planets known to orbit Proxima Centauri are visible in the image too: Proxima b, a planet with about the same mass as Earth that orbits the star every 11 days and is within the habitable zone, and candidate Proxima c, which is on a longer five-year orbit around the star. (cnn.com)
European Southern Observatory's1
  • In the case of K2-18b, astronomers began observing it with the European Southern Observatory's planet-hunting HARPS instrument, which is part of the 3.6-meter telescope in the La Silla Observatory. (extremetech.com)
20202
  • That's what happened about three years ago, when Earth acquired its current minimoon, the object currently known as 2020 CD3. (discovermagazine.com)
  • A loosely captured object like minimoon 2020 CD3 follows some crazy-looking orbits, seen here from an Earth-centered reference frame. (discovermagazine.com)
Kepler8
  • Kepler uses the transit method to spot planets -- when a world passes in front of its host star, there's a small drop in light. (extremetech.com)
  • Scientists discovered this planet, called Kepler-1649c, when looking through old observations from Kepler, which the agency retired in 2018. (sciencedaily.com)
  • While previous searches with a computer algorithm misidentified it, researchers reviewing Kepler data took a second look at the signature and recognized it as a planet. (sciencedaily.com)
  • Out of all the exoplanets found by Kepler, this distant world -- located 300 light-years from Earth -- is most similar to Earth in size and estimated temperature. (sciencedaily.com)
  • The data gathered by missions like Kepler and our Transiting Exoplanet Survey Satellite [TESS] will continue to yield amazing discoveries as the science community refines its abilities to look for promising planets year after year. (sciencedaily.com)
  • Kepler-1649c orbits its small red dwarf star so closely that a year on Kepler-1649c is equivalent to only 19.5 Earth days. (sciencedaily.com)
  • Kepler searched for planets using the transit method, staring at stars, looking for dips in brightness as planets passed in front of their host stars. (sciencedaily.com)
  • An artist's rendering compares our Earth with the newly confirmed lava planet Kepler-78b. (csmonitor.com)
David Attenborough1
  • Large parts of the production crew of Planet Earth, including Sir David Attenborough were in the audience. (wikipedia.org)
Scientists2
  • Scientists have discovered flowering plants were largely unscathed by the Cretaceous-Paleogene (K-Pg) mass extinction event 66 million years ago, allowing them to take advantage of the new, dinosaur-free planet. (livescience.com)
  • Scientists used to wonder how common planets were throughout the universe, and now we know. (extremetech.com)
Terrestrial1
  • However, unlike other terrestrial planets, it has a distinct inner core of solid material and a liquid outer core. (universetoday.com)
Orbital3
  • The Earth has an orbital period of 365.25 d ays, which is the equivalent of 1.000017 Julian years. (universetoday.com)
  • Mu Arae was already known to harbour a Jupiter-sized planet with a 650-day orbital period. (bbc.co.uk)
  • It is commonly accepted that exoplanets with orbital periods shorter than one day, also known as ultra-short-period (USP) planets, formed further out within their natal protoplanetary disks before migrating to their current-day orbits via dynamical interactions. (lu.se)
Search1
Merge1
  • Was it a hit-and-run, or did the mantles of the two planets merge? (astronomy.com)
NASA's5
  • A "Blue Marble" image of the Earth taken from the VIIRS instrument aboard NASA's Earth-observing satellite - Suomi NPP. (space.com)
  • SAN MATEO, Calif. - Opening spaceflight up to the masses could help spark a global conservation ethic that stems the tide of environmental destruction on Earth, NASA's science chief says. (space.com)
  • If more people around the world are treated to that unforgettable sight, humanity might handle the planet with a bit more care, said John Grunsfeld, associate administrator for NASA's Science Mission Directorate. (space.com)
  • The volcanically active planet, which is a similar size to Earth, was discovered by NASA's Spitzer Space Telescope. (cnn.com)
  • This intriguing, distant world gives us even greater hope that a second Earth lies among the stars, waiting to be found," said Thomas Zurbuchen, associate administrator of NASA's Science Mission Directorate in Washington. (sciencedaily.com)
Venus5
  • This planet has half the mass of Venus. (cnn.com)
  • We had a spacecraft there called Magellan, back in the early '90s, that mapped out the planet for the first time, and [what's] so weird to think of is that here we have Venus up there, one of our closest planet that can get to the earth, and we didn't even know what the surface of Venus looked like until 1990. (wbur.org)
  • Then a few years ago, we had a European Space Agency spacecraft called the Venus Express that was there circling around the planet for a number of years, and it just recently crashed into the planet on purpose to end its mission. (wbur.org)
  • It's] 850 to 900 degrees on the planet, and there's three ways to die on Venus real quick: One is you're going to melt. (wbur.org)
  • It's a fascinating world, because on Earth, we have very different temperatures … but on Venus, the temperature is the same on the entire planet every day. (wbur.org)
Mars4
  • Original models estimated that the impactor, Theia, was about the size of Mars (half the size of Earth today). (astronomy.com)
  • Though, some recent studies suggest it might've been more like four times the size of Mars, or roughly the size of the proto-Earth. (astronomy.com)
  • Desch, along with Katharine Robinson at the Lunar and Planetary Institute in Houston, used the composition of lunar samples from the Apollo missions to model a likely Theia, concluding it was much bigger than expected - about the size of 1 proto-Earth, or 4 Mars planets. (astronomy.com)
  • When I was growing up as a kid, we had the Earth globe and maybe a little Mars, but that's about it, and the moon. (wbur.org)
System9
  • This image shows double-star system b Centauri and its giant planet b Centauri b. (cnn.com)
  • An artist's impression of the planet K2-18b, its host star and an accompanying planet in the system. (cosmosmagazine.com)
  • That mission is now the goal of the agency's Earth Science Division, and the space component of this program is the Earth Observing System (EOS), a collection of satellites designed to study the Earth over the long term. (planetary.org)
  • But there is no other exoplanet that is considered to be closer to Earth in both of these values that also lies in the habitable zone of its system. (sciencedaily.com)
  • This diagram shows the system of planets around star Gliese 667C. (space.com)
  • Here we present the discovery of a four-planet system orbiting the bright (V = 10.5) K6 dwarf star TOI-500. (lu.se)
  • Via Doppler spectroscopy, we discovered that the system hosts 3 outer planets on nearly circular orbits with periods of 6.6, 26.2 and 61.3 days and minimum masses of 5.03 ± 0.41 M⊕, 33.12 ± 0.88 M⊕ and $$15.0{5}_{-1.11}^{+1.12}\,M_{\oplus}$$, respectively. (lu.se)
  • The presence of both a USP planet and a low-mass object on a 6.6-day orbit indicates that the architecture of this system can be explained via a scenario in which the planets started on low-eccentricity orbits then moved inwards through a quasi-static secular migration. (lu.se)
  • TOI-500 is the first four-planet system known to host a USP Earth analogue whose current architecture can be explained via a non-violent migration scenario. (lu.se)
Artist's3
  • This artist's impression shows the football-shaped planet WASP-103b (left) closely orbiting its host star. (cnn.com)
  • This artist's rendering shows a Jupiter-like planet orbiting a dead white dwarf star 6,500 light-years away from Earth. (cnn.com)
  • An artist's rendering of TOI-1231 b, a Neptune-like planet about 90 light years away from Earth. (cnn.com)
Exoplanet1
  • This illustration shows an Earth-size exoplanet called TOI 700 e, discovered orbiting the small, cool M dwarf star TOI 700, which is located 100 light-years away. (cnn.com)
Life22
  • Our home planet provides us with life and protects us from space. (nationalgeographic.com)
  • The third planet from the sun, Earth is the only place in the known universe confirmed to host life. (nationalgeographic.com)
  • Earth is the only planet known to maintain life. (nationalgeographic.com)
  • So how exactly did Earth come to be the fertile, life-giving place we all know and love? (universetoday.com)
  • Seeing our fragile Earth hanging alone in the blackness of space tends to be a life-altering, or at least perspective-changing, experience. (space.com)
  • In my life I have to evolve in order to be a better person, and I feel this has to happen on a larger scale with where our planet is with global conflict. (orionmagazine.org)
  • However, the victim of this success appears to be much of life on Earth. (independent.co.uk)
  • So far, it is known that marine litter harms more than 600 species amid what some regard as the beginning of the sixth mass extinction of life on Earth. (independent.co.uk)
  • Introducing Planet Earth introduces readers to facts pertaining to Earth, including how the planet supports life, why seasons occur, and how day becomes night. (readinga-z.com)
  • Without this layer of gases that surrounds the Earth, life on it would not be possible. (botanical-online.com)
  • Not that this means the planet can't support life. (cosmosmagazine.com)
  • Accelerate progress in our three core enterprises - Explore Worlds, Find Life, and Defend Earth. (planetary.org)
  • Deadly Earth-like planet discovered: Why can't it have life, too? (csmonitor.com)
  • During the expedition we find out more about the history of the Earth, explosions of life, mass extinctions, the connection between the atmosphere's carbon dioxide level and temperature, and more about the carbon cycle, Agenda 2030 and the Global Goals. (lu.se)
  • It keeps the temperature relatively stable between day and night and makes life possible for the inhabitants of the planet. (lu.se)
  • A bacterium which hid inside a meteorite and brought life to earth more than 3.5 billion years ago? (lu.se)
  • The idea that life may have come to Earth from elsewhere has occupied scholars since Antiquity. (lu.se)
  • How these processes are linked to the emergence of life on our planet is still a controversial research topic", says Vivi Vajda. (lu.se)
  • Currently, the most accepted theory is that life emerged here on Earth. (lu.se)
  • BUT IS IT POSSIBLE that at least some of the ingredients for life were formed in space and delivered to Earth long ago by meteorite and comet impacts? (lu.se)
  • Until now, astrobiologists have not found any sign of life on other planets in the form of microorganisms or anything similar. (lu.se)
  • There is no direct evidence as yet for the notion that more advanced molecular systems could have been formed in space, with large biomolecules resembling those which are characteristic of life on Earth", says chemist Petter Persson. (lu.se)
Unlike2
Mantle3
  • The central portion of the earth which lies below the mantle. (teach-nology.com)
  • Earth surface appears covered with a solid and cold layer called crust that rests on a solid-pasty layer called the upper mantle. (botanical-online.com)
  • Qian Yuan, Earth scientist at Arizona State University , and his colleagues recently suggested a new line of evidence to support the latter hypothesis, suggesting that Theia not only merged with Earth, but we might know right where the remnants of its mantle reside in Earth. (astronomy.com)
World6
  • Earth has a number of nicknames, including the Blue Planet, Gaia, Terra, and "the world" - which reflects its centrality to the creation stories of every single human culture that has ever existed. (universetoday.com)
  • These stunning locations feel out of this world, but are actually right here on Earth. (livescience.com)
  • It is found all over the planet, with 300 billion pieces in the once-pristine Arctic and a remote island in the Pacific, the uninhabited Henderson Island, one of the Pitcairns, believed to have the highest concentration of plastic pollution in the world . (independent.co.uk)
  • This newly revealed world is only 1.06 times larger than our own planet. (sciencedaily.com)
  • On April 22nd, the world celebrates Earth Day, established in 1970 by U.S. Senator Gaylord Nelson to create a healthier environment by protecting our planet and its resources. (cdc.gov)
  • As we celebrate Earth Day around the world, let us not forget the vulnerable populations in many communities who bear more than their share of the burden of environmental hazards. (cdc.gov)
Size9
  • The planet is 14 times the size of Earth - not so large that it qualifies as a gas giant - and is close enough to the star that it is unlikely to be icy. (bbc.co.uk)
  • It has a radius of 6378.1 km, because of it occupies the fifth position in terms of size with respect to the rest of the planets. (botanical-online.com)
  • Its other Earth-size sibling, TOI 700 d, can be seen in the distance. (cnn.com)
  • We're talking about a planet twice the size of the Earth and eight times the mass," Tsiaras says. (cosmosmagazine.com)
  • There are other exoplanets estimated to be closer to Earth in size, such as TRAPPIST-1f and, by some calculations, Teegarden c. (sciencedaily.com)
  • Out of all the mislabeled planets we've recovered, this one's particularly exciting -- not just because it's in the habitable zone and Earth-size, but because of how it might interact with this neighboring planet," said Andrew Vanderburg, a researcher at the University of Texas at Austin and first author on the paper released today in The Astrophysical Journal Letters . (sciencedaily.com)
  • The size of the star, and the brightness and color of the sky was carefully adjusted in subsequent frames to approximate the same view from each planet. (space.com)
  • Orbits and approximate relative size of the planets around Gliese 667C (orbits and planets are not to scale with each other). (space.com)
  • It's about the same size and density as our planet, but it's dangerously close to its sun, creating a lava-covered landscape. (csmonitor.com)
Distant1
  • The labs that forge distant planets here on Earth. (bvsalud.org)
Closer4
  • It turned out to be another planet much closer to the star. (extremetech.com)
  • Others may be closer to Earth in temperature, such as TRAPPIST-1d and TOI 700d. (sciencedaily.com)
  • But the problem is, we're going around the sun and the Earth so fast - we're going about 66,000, 67,000 miles an hour around the sun - and we actually need to send a spacecraft off the Earth and then slow it down so it can get closer to the sun. (wbur.org)
  • In this interactive exhibition, we explore our planet together and take a closer look at what we can do to move towards a more sustainable society. (lu.se)
Space3
  • Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem. (nationalgeographic.com)
  • But suborbital space travelers will experience a few minutes of weightlessness and see a black sky and the curvature of the Earth, officials with Virgin Galactic and XCOR say. (space.com)
  • Often lost among the flashier events of human and robotic space exploration is the space-based observation of our own planet. (planetary.org)
Sun's1
  • This place Earth in a prime location with regards to our Sun's Habitable Zone . (universetoday.com)
Ultraviolet radiation1
  • Not only does that mean that the surface gravity is nearly twice that of Earth, but even though its star is cool, dim, and red, it probably receives significantly more ultraviolet radiation than we do on Earth. (cosmosmagazine.com)
Temperature4
  • The water of planet Earth was formed in the past when the humidity and temperature conditions were suitable. (botanical-online.com)
  • Although the water at the poles represents a small amount compared to the water in the oceans, its presence is extremely important because it regulates the temperature of planet Earth. (botanical-online.com)
  • The temperature is not the same in all areas of the Earth. (botanical-online.com)
  • Atmospheric gases do not remain still, but rather move from one place to another due to the rotational movement of the earth and the heat that comes from the Sun. In this way, the movement of gases at different temperatures establishes a temperature difference of a place to another. (botanical-online.com)
Astronomers1
  • That's enough to strongly suggest a planet, but astronomers always need to follow up. (extremetech.com)
Closest1
  • Planet Earth is about 150 km away from the Sun. It is the third closest planet to this star. (botanical-online.com)
Sunlight1
  • In this way, the area of the Earth exposed to sunlight progressively warms up during the day. (botanical-online.com)
Documentary3
  • Planet Earth Live is a 2010 BBC nature documentary film that celebrated its premiere in the U.S. A tour featuring narration and live orchestral performance featuring the score by composer George Fenton, who serves as conductor, accompanies the film. (wikipedia.org)
  • Composer George Fenton provided the score The Blue Planet documentary series in 2001. (wikipedia.org)
  • Quick reminder about our competition from the other day, where you can win a DVD boxset of the BBC documentary Planet Earth. (techdigest.tv)
Humans1
  • Humans, more than any other animal, have impacted our planet in ways natural selection and evolution could not achieve. (orionmagazine.org)
Surrounds1
Place3
  • If we get more people, we'll have folks who can articulate a view of the Earth that leads to more people who want to keep the Earth a nice place to live. (space.com)
  • Speaking just for myself, although I suspect I'm not alone, the prospect of seeing that slo-mo shot of the great white chowing down midair on a seal was what drew me to watch Planet Earth in the first place. (grantland.com)
  • Now, it's often called our sister planet, and I jokingly add in that it's our twisted sister planet, because it is not really a pleasant place. (wbur.org)
Worlds1
  • Still, there are ways to explore strange new worlds without leaving Earth. (unrealitymag.com)
20191
  • these things take forever to film, and right now it looks like Our Planet won't drop until 2019 - it's past time to assess the post- PE careers of several of the original show's breakout stars. (grantland.com)
Found6
  • The planet was found to be orbiting the star mu Arae in the southern constellation of Altar. (bbc.co.uk)
  • They found a bonus planet (Opens in a new window) . (extremetech.com)
  • A lot of the work around the giant impact hypothesis involves comparing isotopes found on the Moon with those found on Earth. (astronomy.com)
  • Zolotov mentioned that the weakest part of the theory was the hypothetical planet Theia - no one had ever found any direct evidence to support its existence. (astronomy.com)
  • An Earth-like planet has been found 400 million miles away. (csmonitor.com)
  • We've found fossils of these things on every part of the planet. (listverse.com)
Science3
  • there-might-be-remnants-of-an-ancient-planet-buried-inside-earth https://www.astronomy.com/science/there-might-be-remnants-of-an-ancient-planet-buried-inside-earth/ There might be remnants of an ancient planet buried inside Earth An ancient impactor called Theia hit Earth to create the Moon. (astronomy.com)
  • You'd see an alien planet pulled straight out of a science fiction story. (listverse.com)
  • Environmental Science: earth as a living planet. (bvsalud.org)
Star2
  • It is the second planet discovered round the star and completes a full revolution in 9.5 days. (bbc.co.uk)
  • These fluctuations allowed the team to determine the planet is in the habitable zone of the star and is probably composed of either rock or water and ice. (extremetech.com)
Celestial1
  • Viewed from the celestial north pole, the motion of Earth and its axial rotation appear counterclockwise. (universetoday.com)
Impacts1
  • Beyond well-being, such deep impacts bring about declines in social cohesion and trust, and ultimately jeopardize the survival of people and the planet. (who.int)
Densest1
  • Either way, most researchers agree that the core - the densest part - of Theia merged with the core of Earth incredibly quickly after the impact, in a matter of hours. (astronomy.com)
Meters1
  • But at the time, they were the biggest of the plants and fungi on the planet, stretching a good 6 meters (20 ft) over the others. (listverse.com)
Photo1
  • The Earth image is an unretouched photo of a beach sunset. (space.com)
Footage1
  • Rabbi Kadoozy astounds the scientific community with this rare satellite footage of planet earth. (chabad.org)
Imagery2
  • While the video screen projects imagery of Earth, Glennie-Smith performs vocal accompaniment with symphonic backup. (wikipedia.org)
  • Notes on the political, social and scientific impact of networked digital maps and geospatial imagery, with a special focus on Google Earth. (ogleearth.com)

No images available that match "earth planet"