Betelgeuse is one of the night sky's brightest stars and easily can be observed from Earth with the naked eye. Its fluctuations in brightness have long puzzled astronomers, however. Now, researchers ...
Red supergiant star Betelgeuse has a new excuse for its bad behavior: an accomplice. The star, pronounced "Beetlejuice" (just like the Michael Keaton character), sits like a little devil on the ...
Tides, Spins, and a Slow Death The orbit of Siwarha is more than a curious side note—it has real effects on Betelgeuse. Data suggest the orbit is aligned with Betelgeuse’s spin axis, a sign of ...
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Astronomers Say They've Finally Spotted Betelgeuse's Companion Star, Long Predicted to Exist but Never Seen
Scientists have long speculated that Betelgeuse, one of the brightest stars in the night sky, is not alone. Now, thanks to the powerful Gemini North Telescope in Hawaii, astronomers suggest they’ve ...
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