Question

what is a comet? and astroids
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Answer 1

something that moves around the sun and looks like a bright star having a tail in space is called comet . small pieces of planets that go around the Sun is called asteroid they are also called minor planets. hope this will help you.

Answer 2

Comet is an icy, small solar system body that when passing close to the sun, warm and begin to release gases.
Asteroid are minor planets, especially of the inner solar system.