Thread: Betelgeuse at it's faintest for 25 years!
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  #15  
Old 28-01-2020, 10:11 AM
JohnF (John)
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Join Date: Oct 2018
Location: Nimbin NSW Australia
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In ancient times Betelgeuse was yellow, not Red. Quoting Wikipedia:--

"By contrast, three centuries before Ptolemy, Chinese astronomers observed Betelgeuse as having a yellow coloration."
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