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TIL a supernova occurs roughly every 10 seconds in the observable universe

https://www.energy.gov/science/doe-explainssupernovae
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g3mf7p/til_a_supernova_occurs_roughly_every_10_seconds/
#TIL #todayilearned
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