Astronomers Confirm Companion Star Orbiting Betelgeuse

AI-generated NewsSnap summary based on source reporting.
Published: 2026-07-28
Category: science
Source: European Southern Observatory (ESO)
Original source

Using the European Southern Observatory's VLT, astronomers have captured the clearest image of Betelgeuse B, a companion star orbiting the red supergiant Betelgeuse. This discovery, confirming a century-long suspicion, reveals Betelgeuse B to be more massive than previously estimated, at two to three times the Sun's mass. This observation provides crucial insights into the Betelgeuse system and its evolutionary history.

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