ZME Science on MSN4mon
Betelgeuse may have an unseen companion star called “Betelbuddy” that could explain its strange behaviorBetelgeuse has been in the lens of astronomers for centuries, yet it continues to surprise us. In late 2019 and early 2020, ...
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Betelgeuse goes through periods of brightening and dimming, usually in a 400-day cycle ... which in turn caused the star to ...
During this observation gap in 2020, NASA's STEREO spacecraft -- with measurements shown in red -- stepped in to observe Betelgeuse from its unique vantage point, revealing unexpected dimming by ...
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