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comets

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The Sciences

#36: Astronomers Catch Asteroid Smashup

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The Sciences

#23: Comets Are Interstellar Visitors
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The Sciences

Photo: Comet Hartley 2 Travels With a Posse of Snowballs
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The Sciences

Ancient ice, wet and dry, from deep inside a comet
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The Sciences

3 D House of Comet Nucleus!
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The Sciences

Impact: Earth! Lets You Smash Your Home Planet to Bits
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The Sciences

Comet Flyby Yields Close-ups of the Lumpy, Icy Hartley 2
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The Sciences

Holy Hartley 2! What to Know About NASA's Comet Flyby
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The Sciences

Perseid Meteor Shower: Where & When to Catch the Sky Show
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The Sciences

Study: A Death Star Named Nemesis Isn’t to Blame for Mass Extinctions
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The Sciences

Asteroid Photo Session: Rosetta Spacecraft Snaps Pics of Battered Lutetia
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The Sciences

A Virtual Tour of 8 Strange Exoplanets
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