Supergiant star Betelgeuse is full of mysteries. New observations might solve the biggest one
This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object's atmosphere.
By Ashley Strickland, CNN (CNN) — Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant star Betelgeuse. Now, they’ve uncovered a new piece of evidence: a trail like the wake behind a boat, cutting through Betelgeuse’s upper atmosphere, likely forged by the unseen companion. Betelgeuse’s
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