Exoplanet & Water - Unionpedia, the concept map

Albedo

Albedo is the fraction of sunlight that is diffusely reflected by a body.

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Atmosphere of Earth

The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.

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Atmospheric pressure

Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.

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Comet

A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing.

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Deuterium

Deuterium (hydrogen-2, symbol H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other is protium, or hydrogen-1).

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Europa (moon)

Europa, or Jupiter II, is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet of all the 95 known moons of Jupiter.

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Gliese 436 b

Gliese 436 b (sometimes called GJ 436 b, formally named Awohali) is a Neptune-sized exoplanet orbiting the red dwarf Gliese 436.

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Gravity

In physics, gravity is a fundamental interaction which causes mutual attraction between all things that have mass.

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Greenhouse effect

The greenhouse effect occurs when greenhouse gases in a planet's atmosphere insulate the planet from losing heat to space, raising its surface temperature.

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Habitable zone

In astronomy and astrobiology, the habitable zone (HZ), or more precisely the circumstellar habitable zone (CHZ), is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure.

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HD 189733 b

HD 189733 b is an exoplanet in the constellation of Vulpecula approximately away from the Solar System.

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HD 209458 b

HD 209458 b is an exoplanet that orbits the solar analog HD 209458 in the constellation Pegasus, some from the Solar System.

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Hydrogen

Hydrogen is a chemical element; it has symbol H and atomic number 1.

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Life

Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not.

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Milky Way

The Milky Way is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research.

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Oxygen

Oxygen is a chemical element; it has symbol O and atomic number 8.

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Photosynthesis

Photosynthesis is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.

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Rings of Saturn

The rings of Saturn are the most extensive and complex ring system of any planet in the Solar System.

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Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.

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Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

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Solar System

The Solar SystemCapitalization of the name varies.

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Space.com

Space.com is an online publication focused on space exploration, astronomy, skywatching and entertainment, with editorial teams based in the United States and United Kingdom.

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Sun

The Sun is the star at the center of the Solar System.

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Tau Boötis b

Tau Boötis b, or more precisely Tau Boötis Ab, is an extrasolar planet approximately 51 light-years away.

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The New York Times

The New York Times (NYT) is an American daily newspaper based in New York City.

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Weathering

Weathering is the deterioration of rocks, soils and minerals (as well as wood and artificial materials) through contact with water, atmospheric gases, sunlight, and biological organisms.

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