View Full Version : Superluminous Supernova Puzzles Astronomers

2014-Jun-26, 02:50 PM
Supernovae are surprisingly dependable. These brilliant and powerful explosions that mark the end of massive stars’ lives tend to shine anywhere from one hundred million to a few billion times brighter than the Sun for weeks on end. And their intrinsic brightness is always well known. But in recent years a rare class of cosmic […]

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