An international piece of research, led by the Instituto de Astrofísica de Canarias (IAC) has found clues to the nature of some of the brightest and hottest stars in our universe, called blue supergiants. Although these stars are commonly observed, their origin has been an old puzzle that has been debated for several decades.
Astronomers find evidence that blue supergiant stars can be formed by the merger of two stars retrieved 22 March 2024 from https://phys.org/news/2024-03-astronomers-evidence-blue-supergiant-stars.html
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