PICK OF THE WEEK: One Day: Six Coronal Mass Ejections

[SOHO]

The Sun set off a series of coronal mass ejections (CMEs) in a little over one day (Sept. 19-20, 2011), an indication of a level of activity we have not seen earlier in this solar cycle. Most were...



More... (http://soho.nascom.nasa.gov/pickoftheweek/old/23sep2011/)