Sun

• photosphere, sunspots, and granulation  http://www.windows2universe.org/sun/atmosphere/photosphere.html
• coronal mass ejection http://www.windows2universe.org/sun/solar_activity.html
• A full-disk multiwavelength extreme ultraviolet image of the sun taken by SDO on March 30, 2010. False colors trace different gas temperatures. Reds are relatively cool (about 60,000 Kelvin, or 107,540 F); blues and greens are hotter (greater than 1 million Kelvin, or 1,799,540 F) http://www.nasa.gov/images/content/446589main_fulldiskmulticolor-orig_full.jpg
• A movie of the March 30, 2010, solar prominence eruption, as seen by SDO (the video is below the first image) http://www.nasa.gov/mission_pages/sdo/news/first-light.html
• Spicules on the sun http://www.nasa.gov/mission_pages/sdo/multimedia/gallery/spicules-20110106.html
• Video "Limb Active Region on the Sun" (2nd video in the side bar)  http://www.nasa.gov/multimedia/videogallery/index.html?collection_id=15505&media_id=36274561