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8/11/22 at 8:44pm
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Science Daily
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The star Betelgeuse appears as a brilliant, ruby-red, twinkling spot of light in the upper right shoulder of the winter constellation Orion the Hunter. But when viewed close up, astronomers know it as a seething monster with a 400-day-long heartbeat of regula…
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https://www.sciencedaily.com/releases/2022/08/220811143029.htm
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