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Icy Travelers
Comets are cosmic snowballs of frozen gases, rock and dust roughly the size of a small town. When a comet's orbit brings it close to the sun, it heats up and spews dust and gases into a giant glowing head larger than most planets. The dust and gases form a tail that stretches away from the sun for millions of kilometers.

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Giotto's View of Comet Halley
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Anatomy of a Busted Comet
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Wild 2
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Deep Space 1
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Tempel 1 Composite Map
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Bull's Eye!
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Icy Comet NEAT
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Comet Fragment Slams into Jupiter
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Bradfield's Plunge
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Comet 67P/Churyumov-Gerasimenko
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Comet Trail and Tail
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Manicouagan Reservoir
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Chicxulub Crater
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Gosses Bluff Meteorite Crater
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Impact Crater Diagram
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Wild 2 Flyby
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Previous
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Next
Previous
    1     2     3     4     5     6     7    
Next
Giotto's View of Comet Halley
   Browse       View Full Size   
Anatomy of a Busted Comet
   Browse       View Full Size   
Wild 2
   Browse       View Full Size   
Deep Space 1
   Browse       View Full Size   
Tempel 1 Composite Map
   Browse       View Full Size   
Bull's Eye!
   Browse       View Full Size   
Icy Comet NEAT
   Browse       View Full Size   
Comet Fragment Slams into Jupiter
   Browse       View Full Size   
Bradfield's Plunge
   Browse       View Full Size   
Comet 67P/Churyumov-Gerasimenko
   Browse       View Full Size   
Comet Trail and Tail
   Browse       View Full Size   
Manicouagan Reservoir
   Browse       View Full Size   
Chicxulub Crater
   Browse       View Full Size   
Gosses Bluff Meteorite Crater
   Browse       View Full Size   
Impact Crater Diagram
   Browse       View Full Size   
Wild 2 Flyby
   Browse   
Previous
    1     2     3     4     5     6     7    
Next