File:Comet Parts.jpg

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Description This is an artist's concept of a comet dust trail and dust tail. The trail can only be seen in the light of radiated heat. The dust trail is made of particles that are the size of sand grains and pebbles. They are large enough that they are not affected much by the Sun's light and solar wind. The dust tail, on the other hand, is made of grains the size of cigarette-smoke particles. These grains are blown out of the dust coma near the comet nucleus by the Sun's light.
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NASA:

Author NASA Ames Research Center/K. Jobse, P. Jenniskens
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(Reusing this file)		 Images of NASA are within the public domain if not specifically noted otherwise


Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current01:22, 31 January 2006Thumbnail for version as of 01:22, 31 January 20061,449 × 2,000 (643 KB)Arnomane (talk | contribs){{Information| | Description = This is an artist's concept of a comet dust trail and dust tail. The trail can only be seen in the light of radiated heat. The dust trail is made of particles that are the size of sand grains and pebbles. They are large enou

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