Sun - July 28, 2010

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The wisps of hot plasma protruding off the edge of the Sun are called prominences. The dark lines on the surface of the Sun, called filaments, are physically the same as prominences, only facing towards us on the Sun's disk. 

Photographer:

Erin Braswell

ID #:

WEB11580-2010

Source:

Smithsonian Public Observatory Project

Copyright/Owner:

Smithsonian Institution

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