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https://www.space.com/betelgeuse-red-supergiant-was-yellow
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Discovery suggests red supergiant Betelgeuse was actually yellow 2000 years ago - Space.com
9/6/22 at 8:00pm
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Space.com
Author
Robert Lea
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30 words
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Science
Betelgeuse
supergiant
Lunar Outpost
Using historical evidence, scientists have been able to pinpoint when the infamous supergiant got its red coloration.
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