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Published online 8 May 2007 | Nature | doi:10.1038/news070508-1
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The biggest bang of them all
Bright supernova reveals secrets of star death.
Astronomers have witnessed the brightest stellar explosion ever recorded — a supernova called SN 2006gy.
New observations suggest that a very massive star, some 150 times the mass of our Sun, must have exploded to form the supernova.
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