Fermi telescope spots 'superflares' in the Crab Nebula (w/ video)
Thursday, May 12, 2011 - 04:00
in Astronomy & Space
(PhysOrg.com) -- The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. On April 12, NASA's Fermi Gamma-ray Space Telescope first detected the outburst, which lasted six days.