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Space
Space
Science
Robert Lea

How are extreme "blue supergiant" stars born? Astronomers may finally know

IAC Mergers
Illustration of a yellow star and a blue star circling close to each other.

Astronomers may have solved the mystery of how some of the brightest and hottest stars in the cosmos are born. 

The team, led by researchers at the Instituto de Astrofísica de Canarias (IAC), found clues that suggest blue supergiants are created when two stars in a binary system spiral together and merge. 

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