Chris Hadfield On Going Viral In Space

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NASA Uses Photo Of Earth From Saturn To Boost Space Interest

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In this rare image taken on July 19, 2013, the wide-angle camera on NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame. NASA/JPL-Caltech/Space Science Institute hide caption

toggle caption NASA/JPL-Caltech/Space Science Institute

The moon, seen from the International Space Station, on July 31. NASA hide caption

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One Small Step For Man, One Giant Lunar Park For The U.S.?

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That little blue dot is how Earth will likely appear in a photo shot from a spacecraft that is studying Saturn. NASA/JPL-Caltech simulation hide caption

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Astronomers Spot Another Moon Around Neptune

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Eruptions on the Sun Set Off 'Solar Tsunamis'

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Helmet Scare Shuts Down Space Walk

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Mysterious Radio Bursts, Sent From Deep Space

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Desktop Diaries: Jill Tarter

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UK Team Plans ET Search

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