Strange objects appear in Solar and Heliospheric Observatory videos on a regular basis. The standard explanation is that they are video artifacts. Our specialists are unanimous: this is not a video artifact. But what it is–that’s another question. Graded B.

http://www.youtube.com/watch?v=ouDGeHRxUO0
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http://www.youtube.com/watch?v=ouDGeHRxUO0
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