Red, cold and dead?
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Extraterrestrial Environment↗
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Results for “Extraterrestrial Environment”
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The global circulation of atmospheric pollutants.
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Air Pollution↗
How climate evolved on the terrestrial planets.
Planets with temperate, earthlike climates were once thought to be rare in our galaxy. Mathematical models now suggest that if planets do exist outside the solar system, many of them might be habitable.
Astronomical Phenomena↗
The volcanoes and clouds of Venus.
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Astronomical Phenomena↗
Searching for extraterrestrials. Where are they?
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Astronomical Phenomena↗
Searching for extraterrestrials. Where they could hide.
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Astronomical Phenomena↗
Searching for extraterrestrials. Intragalactically speaking.
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Astronomical Phenomena↗
Life's far-flung raw materials.
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Cosmic Dust↗
Refugees for life in a hostile universe.
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Astronomical Phenomena↗
The evolution of the universe.
Some 15 billion years ago the universe emerged from a hot, dense sea of matter and energy. As the cosmos expanded and cooled, it spawned galaxies, stars, planets and life.
Astronomical Phenomena↗
The Earth's elements.
The elements that make up the earth and its inhabitants were created by earlier generations of stars.
Astronomical Phenomena↗
The search for extraterrestrial life.
The earth remains the only inhabited world known so far, but scientists are finding that the universe abounds with the chemistry of life.
Atmosphere↗
Did life come from another world?
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Biological Evolution↗
Global climatic change on Mars.
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Climate↗
The Red Planet's watery past.
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Extraterrestrial Environment↗
Evidence for the extraterrestrial origin of polycyclic aromatic hydrocarbons in the Martian meteorite ALH84001.
Possible sources of terrestrial contamination are considered for the observation of polycyclic aromatic hydrocarbons (PAHs) in the Martian meteorite ALH84001. Contamination is concluded to be negligible.
Adsorption↗