Thread: Asteroid near miss?
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Old 28-10-2009, 01:53 PM
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Astro78
Tripping in Space

Astro78 is offline 		 
Join Date: Oct 2007
Location: Sydney
Posts: 500
I believe comets are icy and can come from anywhere, although possibly originating from the Oort cloud.

Asteroids are from the one 'Asteroid belt' (I believe) and are of similar composition because of this.

Not positive though
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