The 1987 supernova (SN 1987A) occurred in the Large Magellanic Cloud (LMC), not the Milky Way. The LMC is a smaller satellite of the Milky Way, but astronomers still consider it to be outside our ...
Astronomers say our galaxy hasn't seen a supernova in 400 years. Why don't they count the 1987 supernova? Judy Pearce Belton, Texas The 1987 supernova (SN 1987A) occurred in the Large Magellanic Cloud ...