Astronomers Discover Betelgeuse Is Not Alone

Astronomers have captured the strongest evidence yet that Betelgeuse has a hidden stellar companion.

Using the Very Large Telescope, researchers directly imaged Betelgeuse B, a faint star that may explain the red supergiant's mysterious brightness changes. The discovery could reshape our understanding of Betelgeuse's future evolution—and even its eventual supernova explosion.

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