Episode Details

Astronomers have finally confirmed Betelgeuse has a hidden partner star, Betelgeuse B — a massive, bright companion they’ve been hunting for over a century. Using cutting-edge tech originally built for planet hunting, they captured the clearest image ever of the star duo, revealing the companion is two to three times the mass of our sun. The breakthrough came when Betelgeuse B was farthest from its main star, making it visible against the glare. Scientists are now double-checking their findings next year, but this discovery could rewrite our understanding of one of the sky’s most iconic stars.

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