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Meteors, Asteroids, Comets

The Tagish Lake Meteorite: "Like Sampling the Surface of a Comet"
[1-28-2002]
A scientific consortium of 4 universities and NASA is now trying to uncover the debris and sample the early solar system's unique chemistry.

NASA Scientist Finds Some Meteorites Not Sugar-free
[1-25-2002]
A discovery by a NASA scientist of sugar and several related organic compounds in two carbonaceous meteorites provides the first evidence that another fundamental building block of life on Earth may have come from outer space.

Carbonaceous Clues to the Early Solar System [10-12-2001]
Carbonaceous chondrite meteorites contain vital clues to the evolution of carbon compounds in our solar system preceding the origin of life.
 

Cometary Closeup [9-26-2001]
In a risky flyby, NASA's ailing Deep Space 1 spacecraft successfully navigated past a comet, giving researchers the best look ever inside the glowing core of icy dust and gas.
 

Making the Moon [9-24-2001]
The "giant impact" theory, first proposed in the mid-1970s to explain how the Moon formed, has now received a major boost. New computer simulations demonstrate how a single impact could yield the current Earth-Moon system.
 

Rare Canadian Meteorite Tagged as First of Its Kind Found on Earth [8-27-2001]
In a triumph for space geology, a team of scientists said they found a rare meteorite, it's the first of its kind to be found on Earth -- a dark and rare type called a D asteroid.
 

A Taste for Comet Water [5-25-2001]
When Comet LINEAR broke apart last year it revealed what many scientists thought all along: Water in Earth's oceans could have come from outer space.
 

Was Johnny Appleseed a Comet? [4-20-2001]
A new experiment suggests that comet impacts could have sowed the seeds of life on Earth billions of years ago.

 

 

 

 

 

 


life in the universe

life in the universe

life in the universe

Earth: The Water World 

We don't yet know if there is life in the ocean of Europa or the aquifers of Mars but we know the waterworld on Earth is teeming with life.

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NASA Quest connects schools with NASA's people and missions via the Internet through live interactive Web chats, live interactive webcasts, e-mail, informative biographies and journals, curriculum resources and more.  Astro-Venture is an educational, interactive, multimedia Web environment where students in grades 5-8 role-play NASA occupations, as they search for and build a planet with the necessary characteristics for human habitation.

 

 

What is Astrobiology?

How does life begin and develop?

Does life exist elsewhere in the universe?

What is life's future on Earth and beyond? 

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