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A solar prominence erupted into space and seemed
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A solar prominence erupted into space and seemed to create the Greek letter Pi as seen by NASA's Solar Dynamics Observatory, or SDO, on July 4, 2015. Pi is the symbol for the ratio of a circle's circumference.(Credit: NASA/Goddard/SDO #nasagoddard #sun #space #pi/ NASA Goddard Space Flight Center)

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NASA's amazing science and space Instagram photos

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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