Comet (General Astronomy)

Comet with 2 tails

A comet is a small celestial body that orbits the sun. The comet nucleus consists of loose collections of ice, dust and small rocky particles. The comet tail is produced by the effects of solar radiation, and always points away from the sun. Comets may range from a kilometer to tens of kilometers wide.

There are many famous comets including Halley, Hale-Bopp, Kohoutek, Hyakutake, Shoemaker-Levy 9 (see here).

Related Links:
Famous or Memorable Comets (Astronomy)

Image Credit - by Andyrob, (cc)

Posted by ALCHEssMIST.
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