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NASA Spacecraft Finds Comet Has Hot, Dry Surface

Date:
April 8, 2002
Source:
NASA/Jet Propulsion Laboratory
Summary:
Comets are sometimes described as "dirty snowballs," but a close flyby of one by NASA's Deep Space 1 spacecraft last fall detected no frozen water on its surface. Comet Borrelly has plenty of ice beneath its tar-black surface, but any exposed to sunlight has vaporized away, say scientists analyzing data from Deep Space 1, managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif.

Comets are sometimes described as "dirty snowballs," but a close flyby of one by NASA's Deep Space 1 spacecraft last fall detected no frozen water on its surface.


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The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


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NASA/Jet Propulsion Laboratory. "NASA Spacecraft Finds Comet Has Hot, Dry Surface." ScienceDaily. ScienceDaily, 8 April 2002. <www.sciencedaily.com/releases/2002/04/020408075210.htm>.
NASA/Jet Propulsion Laboratory. (2002, April 8). NASA Spacecraft Finds Comet Has Hot, Dry Surface. ScienceDaily. Retrieved April 16, 2014 from www.sciencedaily.com/releases/2002/04/020408075210.htm
NASA/Jet Propulsion Laboratory. "NASA Spacecraft Finds Comet Has Hot, Dry Surface." ScienceDaily. www.sciencedaily.com/releases/2002/04/020408075210.htm (accessed April 16, 2014).

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