Earth.com·4 min read·medium
Betelgeuse has a companion star, and astronomers have a photo
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Astronomers have confirmed that the red supergiant star Betelgeuse has a small, blue companion star. The discovery was made using the SPHERE instrument in Chile, which successfully captured the companion after decades of searching.
Betelgeuse, the orange star in Orion’s shoulder, has a companion. The second star is small and blue, and it orbits close enough to pass through the supergiant’s dust.
science
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