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Episode 622: Finally! An Explanation for One of the Most Powerful Supernovae Ever Seen
In 2006, astronomers spotted the telltale sign of a supernova detonating in the galaxy NGC 1260, located about 240 million light-years away in the constellation of Perseus. As telescopes around the world turned their collective light-gathering power on the expanding explosion designated as SN 2006gy, they realized they were seeing something very unusual.This clearly wasn’t a regular supernova. It grew to be 100 times brighter than the typical stellar explosion and lasted much much longer.More than a decade after that cosmic explosion, astronomers finally think they know what series of events…
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