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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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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

What are stars made of? Determining stellar compositions made easier with new catalog

Academics / General Science : Science Daily (yesterday)

An astronomer has devised the largest catalog ever produced for stellar compositions. The work is critical to understanding the properties of stars, how they form, and possible connections with orbiting planets. And what she found f... 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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