The Hi-C Suborbital Spacecraft Snaps the Sun's Hottest Spots

The Sun's corona—essentially its plasma "atmosphere"—is actually hotter than the surface of the star itself. Scientists have long suspected that the region's million-degree temperatures influence its massive magnetic fields, and have hypothesized that solar flares originate there. But researchers had never been able… » 1/28/13 1:00pm 1/28/13 1:00pm