Crab Nebula is one of the brightest sources of high energy radiation in the sky and astronomers have recently observed flares in nebula that they are hard pressed to explain, with one lasting about six days.
Channels: Astrophysics Aerospace Engineering
Tags: Fermi Spots Superflares in the Crab Nebula
Uploaded by: benco ( Send Message ) on 23-11-2011.
Duration: 2m 37s