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


Supernovae are violent explosions

MEHAU KULYK/SPL/Alamy

Astronomers have discovered a brand new kind of supernova in a galaxy about 500 million mild years away from Earth. This huge explosion, referred to as a merger-triggered core collapse supernova, was anticipated to happen in some techniques the place two stars orbit every one other, however had by no means been seen earlier than.

The commonest kind of supernova is a core collapse supernova, which occurs when an enormous star runs out of gasoline to burn and collapses. “That’s a star dying of outdated age,” says Dillon Dong on the California …



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