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Danger! Solar Storm
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VIDEO: Joe Discovers a Comet
We report from the Spacewatch Observatory atop Kitt Peak as astronomer Joe Montani proves he's found a brand new comet.
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VIDEO: Halley's Comet
Every 76 years, it comes back to remind us how wonderful the universe is.
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VIDEO: DEEP IMPACT: 'To Poke a Comet'
Dr. Jay Melosh, Deep Impact Mission Co-Investigator, wanted to poke a comet to see what would flies out. Last July 4th, he got his chance. The results may revolutionize what we know about our Solar System.
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VIDEO: SL9: The Comet That Changed Comet Hunting
The multi-comet that crashed into Jupiter a decade ago, had a huge impact on Earthbound observers!
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Deep Impact Special Report
Complete Coverage of the Deep Impact mission to explore the core of a comet.
SPECIAL REPORT: Aged and Wounded Spacecraft Photographs Comet
SPACE.com's full coverage of the DS1/Borrelly mission and findings.
       
Predicting the Next Bright Comet
Every once in a while, a newly discovered comet will appear in our sky that is so spectacular that it captures the attention of a worldwide audience. But how do we know which one it will be?
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Comet Mysteries Cracked
In recent years, our impression of comets has shifted from dirty snowballs to snowy dirtballs.
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