Scientists find giant plumes on the sun, newly named "coronal cells" that are over 18,000 miles across, looking like candlesticks on a birthday cake, and might help explain coronal holes.
Scientists find giant plumes on the sun, newly named "coronal cells" that are over 18,000 miles across, looking like candlesticks on a birthday cake, and might help explain coronal holes.
Public votes STEREO mission as NASA's biggest accomplishment of 2011.
Another view of Comet Lovejoy's solar approach taken by Hinode.
The sun sent out two different kinds of solar activity on November 3, 2011 in different directions: an X.19 solar flare and a particularly bright CME.
On Oct. 25, 2006 STEREO launched to do something never done before: see the entire sun simultaneously.
For the first time, a spacecraft far from Earth has turned and watched a solar storm engulf our planet.
The is the first complete image of the solar far side, the half of the sun invisible from Earth.
Earth is still waiting for the arrival of the CME unleashed June 7, 2011 but the forecasts of the glancing blow have been substantially reduced. The Sun unleashed an M-2 solar flare, an S-1 radiation storm and a spectacular coronal mass ejection in the early hours of June 7, 2011.