Astronomers share best-ever evidence that Betelgeuse has a secret companion star — and they've nicknamed it 'her bracelet'

Astronomers share best-ever evidence that Betelgeuse has a secret companion star — and they've nicknamed it 'her bracelet'

Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest objects in the night sky — but this sun-size companion may not survive for long.

Betelgeuse isn't Alone; It has a Stellar Companion

Astronomers finally confirm a century-old theory by spotting a faint star orbiting one of the brightest in our sky, and give it a name rooted in ancient star lore.

Confirmed: Betelgeuse has a twin

Betelgeuse - the red supergiant star in the constellation of Orion, has a companion or binary twin, astronomers have confirmed.