Posted on: 09 Feb, 2006
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December 2006 Calendar - Global Callisto in Color

NASA/JPL/ DLR(German Aerospace Center)
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Bright scars on a darker surface testify to a long history of impacts on Jupiter's moon Callisto in this image of Callisto from NASA's Galileo spacecraft. The picture, taken in May 2001, is the only complete global color image of Callisto obtained by Galileo, which began orbiting Jupiter in 1995. Of Jupiter's four largest moons, Callisto orbits farthest from the giant planet. Callisto's surface is uniformly cratered but is not uniform in color or brightness. Scientists believe the brighter areas are mainly ice and the darker areas are highly eroded, ice-poor material.

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Quote of the Day

I am somehow less interested in the weight and convolutions of Einstein's brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops. - Stephen Jay Gould

Fact of the Day

The three-toed sloth of tropical America can swim easily, but it can only drag itself across bare ground.


Word of the Day

diverse
Pronunciation: /die-VERS/
adj : differing from another; distinctive; distinguishing
"The stock market offers divers and diverse ways to make money."




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