“The Supernova Closest to Earth–A Glowing Ring 6 Trillion Miles in Diameter”

02 Oct, 2011 by Craig Newmark

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A couple of supernova facts I didn’t know:

Dr. Richard Mushotzky of the NASA Goddard Space Flight Center, derived a figure of 1 billion supernovae per year, or 30 supernovae per second in the observable Universe!

Dr. Richard Mushotzky of the NASA Goddard Space Flight Center, derived a figure of 1 billion supernovae per year, or 30 supernovae per second in the observable Universe!