SOHO
20th May 2011, 19:10
The STEREO (Ahead) spacecraft observed as a photogenic, solar prominence erupted and broke out into space over about 18-hour period...
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/20may2011/)
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/20may2011/)