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Icy Saturn moon burps up heat and ice

Comet may have hit Jupiter

How Martian clouds create snowfall

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  NASA to shoot moon

Oct. 6: Moment of Geek: Rachel Maddow reports on a NASA plan to fire a missile into the moon in order to study the subsequent plume of dust.

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Related Photos

Enceladus geysers
Enceladus geysers

This unprocessed image was captured by NASA's Cassini spacecraft during Saturday's flyby of the Saturnian moon Enceladus. It shows the moon's south polar region, where jets of water vapor and other particles spew from fissures on the surface.

LCROSS site
LCROSS site

The locations of the Diviner LCROSS impact swaths overlain on a grayscale daytime thermal map of the Moon’s south polar region. Diviner data were used to help select the final LCROSS impact site inside Cabeus Crater, which sampled an extremely cold region in permanent shadow that can serve as an eff

South polar region of moon
South polar region of moon

This color-coded mosaic, taken from a NASA animation, shows altitude measurements for the moon's south polar region, as recorded by the LOLA instrument aboard Lunar Reconnaissance Orbiter. The crater known as Cabeus has been selected as the LCROSS probe's target.

Lunar temperatures
Lunar temperatures

These false-color images indicate daytime temperatures and nighttime temperatures around the moon's south polar region, as measured by the Lunar Reconnaissance Orbiter's Diviner instrument. The closer a region is to the violet side of the spectrum, the colder it is.