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Author Topic:   Origin of Asteroids
Posts: 1793
From: Ontario Canada
Joined: 08-04-2010

Message 34 of 36 (722541)
03-22-2014 9:33 AM

Seriously though
I have a few questions about what we think really happened.

Apparently, there are 3 main types of asteroid distinguished by composition. Carbonaceous, silicate and metallic types. These types are largely distributed in distinct bands in the asteroid belt. Do we know why that happened?

Is it possible for a small asteroid to accrete into a rock? Doesn't it take a lot of pressure and/or temperature to form rock which would only come after a pretty large size has been reached? Does this mean that all of the small hard rocky asteroids are a result of collisions between much larger bodies?

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