SOHO: Pick of the Week (2013 Apr 26)

[bystander]

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CMEs Galore

Coronal mass ejections were popping out from the Sun at a pace of two per day on average (Apr. 18-23, 2013). We counted ten CMEs for the five days, but some of the eruptions were complex and difficult to differentiate from one another. Almost all of them blew particles out to the left, most of them probably originating from the same active region.

These were taken by the STEREO (Ahead) spacecraft?s coronagraph, in which the black disk blocks the Sun (represented by the white circle) so that we can observe the fainter features beyond it.

Credit: NASA/ESA/SOHO/STEREO/Steele Hill (GSFC)

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