NASA's SDO shows a little rain on the Sun
Wednesday, February 20, 2013 - 15:30
in Astronomy & Space
Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection (CME), and some with complex moving structures in association with changes in magnetic field lines that loop up into the sun's atmosphere, the corona.