US Astronaut and Flight Engineer Terry Virts a member of Expedition 42 on the International Space Station prepares to take scientific photographs on Jan. 10, 2015.(Credit: NASA #space #ISS / NASA Goddard Space Flight Center)
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February 21, 2014 2:14 PM
NASA Goddard Space Flight Center's collection of stunning science and space scenes on Instagram, a mobile app that can be used to alter the color and tone of photographs.
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