We have spotted a new kind of supernova triggered by cosmic collisions

A supernova

Supernovae are violent explosions

MEHAU KULYK/SPL/Alamy

Astronomers have found a new type of supernova in a galaxy about 500 million light years away from Earth. This enormous explosion, called a merger-triggered core collapse supernova, was expected to occur in some systems where two stars orbit each another, but had never been seen before.

The most common type of supernova is a core collapse supernova, which happens when a massive star runs out of fuel to burn and collapses. “That’s a star dying of old age,” says Dillon Dong at the California …

Published at Thu, 02 Sep 2021 19:00:22 +0000

Article source: https://www.newscientist.com/article/2288765-we-have-spotted-a-new-kind-of-supernova-triggered-by-cosmic-collisions/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home