SN 1987A is the nearest supernova to be observed in 400 years & an opportunity to study the death of a star: https://t.co/s0Ag5sUg9e pic.twitter.com/TmS7R8zlXs— NASA (@NASA) February 25, 2017
SN 1987A is the nearest supernova to be observed in 400 years & an opportunity to study the death of a star: https://t.co/s0Ag5sUg9e pic.twitter.com/TmS7R8zlXs— NASA (@NASA) February 25, 2017
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