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Betelgeuse's Hidden Companion and the Dying Andromeda Galaxy: A Cosmic Tale
SpaceTime Series 29 Episode 93 The strongest evidence yet that Betelgeuse is not alone Astronomers have finally demonstrated that the red supergiant star Betelgeuse has a binary companion star about two to three times th...
About This Episode
Betelgeuse's Hidden Companion and the Dying Andromeda Galaxy: A Cosmic Tale is an episode from SpaceTime with Stuart Gary by Stuart Gary. SpaceTime Series 29 Episode 93 The strongest evidence yet that Betelgeuse is not alone Astronomers hav...
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Published Aug 5, 2026, 28:56 long, audio available.
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