aug 142012
 
One of the Fastest CMEs On Record Observed

  Some three weeks ago, on July 23, 2012, a massive cloud of solar material erupted off the Sun’s right side, zooming out into space, passing one of NASA’s Solar TErrestrial RElations Observatory (STEREO) spacecraft along the way. Using the STEREO data, scientists at NASA’s Goddard Space Flight Center clocked this giant cloud, known as [continue reading]

apr 092012
 
SDO and STEREO Spot Something New On the Sun

One day in the fall of 2011, Neil Sheeley, a solar scientist at the Naval Research Laboratory in Washington, D.C., did what he always does – look through the daily images of the sun from NASA’s Solar Dynamics Observatory (SDO). The changes of a coronal cell region as solar rotation carries it across the solar [continue reading]