Charles Pevsner, taken from Rio Hurtado, Chile LHA 120-N 40 is the glowing debris of a star that exploded in the Large Magellanic Cloud, the Milky Way satellite galaxy about 163,000 light-years away in Dorado. The shell that appears in blue was blown out by the supernova, while smaller regions of emission appear as reddishContinue reading “An extragalactic supernova remnant”
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