The Sun's Hot thin corona. NASA's Extreme Ultraviolet Imaging Telescope aboard ESA SOHO spacecraft took this image of a huge, handle-shaped prominence in 1999. Prominences are huge clouds of relatively cool dense plasma suspended in the Sun's hot, thin corona.

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Size: 4000px × 3874px
Photo credit: © NASA Pictures / Alamy / Afripics
License: Licensed
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Keywords: astronomy, corona, nasa, soho, sun