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Дата изменения: Wed Aug 24 10:28:45 2005
Дата индексирования: Tue Oct 2 17:32:21 2012
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Epimetheus: A Small Moon of Saturn
Astronomy Picture of the Day
    


Epimetheus: A Small Moon of Saturn
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Epimetheus: A Small Moon of Saturn
Credit & Copyright: Cassini Imaging Team, SSI, JPL, ESA, NASA
Explanation: How did Epimetheus form? No one is yet sure. To help answer that question, this small moon has recently been imaged again in great detail by the robot spacecraft Cassini now orbiting Saturn. Epimetheus sometimes orbits Saturn in front of Janus, another small satellite, but sometimes behind. The above false-color image, taken during mid July, shows a surface covered with craters indicating great age. Epimetheus spans about 115 kilometers across. Epimetheus does not have enough surface gravity to restructure itself into a sphere.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day

Publications with keywords: Saturn - satellite
Publications with words: Saturn - satellite
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