![]() ![]() The last one spotted nearby, SN 1987A, was more than 33 years ago in a neighboring galaxy ( SN: 2/18/17, p. Montargès et alīut the explosions are rare - astronomers estimate that one occurs in our galaxy just a few times a century. The December image shows a dark splotch, a dimming, over Betelgeuse’s southern hemisphere. The SPHERE instrument in Chile took images of Betelgeuse in January (top) and December (bottom) 2019.
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