‘Betelgeuse on steroids’ shows how rare massive stars die:

A new map of one of the most massive stars in our galaxy is shedding light on what happens in the final stages of a giant star’s death.

Astronomers created a detailed 3D map of VY Canis Majoris, a dying red hypergiant star located over 3,000 light-years from Earth:. They found that the way this rare supergiant star loses mass is analogous to coronal arcs – loops of plasma that erupt from the sun: – but on a scale billions of times larger.

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