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Mashable

Scientists propose a bold new reason for Betelgeuse's volatile behavior

Mashable
Summary
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Betelgeuse is an aging supergiant on the shoulder of the Orion constellation.

Some are convinced it's on the brink of a supernova, a cataclysmic stellar death that leaves behind a black hole or neutron star.

But astronomers have proposed another theory for its volatile nature.

The researchers suggest it has an unseen companion, clearing dust out of the giant star's way and revealing more starlight.