A beautiful and fast moving eruptive prominence observed today... at its height, 100,000 miles above the surface of the sun. In 30 minutes, it had collapsed back into the solar chromosphere. Bad Astronomer Phil Plait blogged this photo at Discover. See an animation of the collapse here.

 

April 29, 2012/ captured with Little Big Man, PGR Grasshopper camera

© Alan Friedman | all rights reserved