SOHO
17th March 2012, 02:00
Sungrazing Comet SWAN (this is its unofficial name), which dove into the Sun's atmosphere late on...
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/16mar2012/)
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/16mar2012/)