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New life for controversial stellar wind theory

Astronomers have succeeded in identifying a specific kind of dust grain in the vicinity of cool giant stars. This means fresh impetus for a controversial theory about how stars die.
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Giant star goes supernova and is smothered by its own dust

Academics / General Science : Science Daily (4 years ago)

A giant star in a faraway galaxy recently ended its life with a dust-shrouded whimper instead of the more typical bang. Researchers suspect that this odd event -- the first one of its kind ever viewed by astronomers -- was more comm... Read Post

Incredible Cosmic Spiral Helps Unravel Details of Stellar Evolution

Academics / General Science : Wired Science (2 years ago)

Astronomers have spotted a strange spiral of gas and dust winding outward from a giant red star named R Sculptoris. Read Post

CW Leonis: Giant star expels multiple dust shells

Academics / General Science : Science Codex (3 years ago)

An international team led by Leen Decin, a K.U.Leuven astronomer, has discovered a series of dust shells in the vicinity of CW Leonis, a dying giant star. The star expelled the shells in the course of its long life: the most distant... Read Post


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