An Eye on Asteroids

October 2006
Weekly Reader News - Edition 3;10/20/2006, Vol. 76 Issue 7, p2
The article explains why astronomers study asteroids. Asteroids are bits of ice and rock that revolve around the sun. Astronomers observe asteroids because they might hit the earth. Aside from that, asteroids also provide clues to the formation of the solar system which occurred about 4.6 billion years ago.


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