Is Betelgeuse Going Supernova In 2025. The red supergiant star betelgeuse is smaller and much closer to earth than previously believed, according to astronomers from the australian national university,. The bright star’s great dimming may have been a big dust burp.

One day, betelgeuse will explode as a type iip supernova, becoming exceptionally bright and leaving behind a neutron star. No, and new research helps explain why.