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Photo Gallery: Sun

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This false-color image, taken by an amateur astronomer in Stuttgart, Germany, shows clouds of solar gas, called prominences, held just above the surface by the sun's magnetic field. A quiescent prominence typically lasts about a month and may erupt in a coronal mass ejection (CME) expelling hot gas into the solar system. Photograph courtesy NASA/Stefan Seip (AstroMeeting)

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