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Essay Archive - Comets and Asteroids
Comets and Asteroids
A quick look at the scarred face of the moon provides evidence
enough to see that space is not an empty place. Small bodies of rock and
frozen materials are traveling around space at all times. As far as
scientists can tell, they have been since the dawn of time. These space
rocks are known as asteroids, comets, and meteors. Usually, people look at
them as a work of art, or a phenomenon, until they come too close. Every
few years a comet hits the earth with enough impact to topple trees. These
are meteorites.
Asteroids were once dismissed as the rodents of the sky. They have
different colors and spin periods ....
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