Group W Comets And Asteroids

Ateroids and comets are considered part from the giant cloud of gas and dust.
Asteroids are small airless rocky worlds, orbiting around the sun that are too small
to be called planets. The mass of all asteroids are less than the earth's moon. They
may have a very small mass but they are very dangerous. Many have hit the earth
at a very fast peed and more are yet to come in the future.There are currently 600,000
known asteroids. Most asteriods are found in the asteroid belt.

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