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Sharing totality

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Meet Mars

The Red Planet reaches its peak in the constellation Virgo this month

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New moon?

A new small icy object discovered within the rings of Saturn

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Join astronomy’s greatest minds in the Canary Islands, September 22–27, 2014. New speakers continue to be announced!

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Enceladus ocean

New evidence that Saturn’s moon harbors a large underground ocean

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Cosmic Adventures

Animals launched into space

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Uwingu Mars

Name a crater ... make an impact!

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Sharing totality

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PICTURE OF THE DAYsee all »

Lunar eclipse and more

This wide-field image shows the Moon right after it fully entered Earth’s inner (umbral) shadow, which signaled the beginning of totality. The blue 1st-magnitude star Spica shines below it and orange Mars is to the lower right. Estimates peg the Moon’s brightness at mid-totality between magnitude –2.0 and magnitude –2.5, or only about two and a half times brighter than nearby Mars. (taken April 15, 2014, from Barbados, Lesser Antilles)
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