Thank your lucky "stars" were not close to this thing.
Quote:
An international team of astronomers may have discovered the biggest and brightest supernova ever.
The explosion was 570 billion times brighter than the sun and 20 times brighter than all the stars in the Milky Way galaxy combined.
"This may be the most powerful supernova ever seen by anybody ... it's really pushing the envelope on what is possible,"
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Fortunately it's 3.8 billion light years from Earth.
http://www.cnn.com/2016/01/14/us/pos...ova/index.html