Waiting for Betelgeuse: What’s Up with the Tempestuous Star?
Have you noticed that Orion the Hunter—one of the most iconic and familiar of the wintertime constellations—is looking a little… different as of late? The culprit is its upper shoulder star, Alpha Orionis, aka Betelgeuse, which is looking markedly faint, the faintest it has been for the 21st century.
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