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asteroids

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The Sciences

A Space Oddity
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The Sciences

Comets: Powdery Puffballs in Space?
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The Sciences

Sky Lights
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The Sciences

Discover Dialogue: Planetary Geologist H. Jay Melosh
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The Sciences

77: Comet Caused Nuclear Winter
yis-cometwild50.jpg

The Sciences

50: NASA Takes a Wild Comet Ride
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The Sciences

Sky Lights
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The Sciences

What Grows When it Rains Meteorites?
Courtesy of NASA/JPL/Caltech

The Sciences

A Piece of the Rock
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The Sciences

In Her Own Words: Meenakshi Wadhwa
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The Sciences

Asteroids Get Spun By the Sun
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Planet Earth

Less Danger From Falling Rocks
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