The Sun is always changing and NASA's Solar Dynamics Observatory is always watching. Launched on February 11, 2010, SDO keeps a 24-hour eye on teh entire disk of The Sun, with a prime view of hte graceful dance of solar material coursing through The Sun's atmosphere, the corona.
NASA, The SDO Team, Genna Duberstein and Scott Wiessinger, Producers
<a rel="nofollow" class="external free" href="http://svs.gsfc.nasa.gov/12034">http://svs.gsfc.nasa.gov/12034</a>