Post Profile

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.
read more


Related Posts

Astronomers find 'Rosetta Stone' for T-dwarf stars

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

Astronomers have discovered a unique and exotic star system with a very cool methane-rich (or T-) dwarf star and a ‘dying’ white dwarf stellar remnant in orbit around each other. The system is a ‘Rosetta Stone’ for T-dwarf stars, gi...

Sun block for the 'Big Dog': Astronomers detect titanium oxide and titanium dioxide around the giant star VY Canis Majoris

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

Astronomers have successfully identified two titanium oxides in the extended atmosphere around a giant star. The object VY Canis Major is one of the largest stars in the known universe and close to the end of its life. The star ejec...

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...

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.

CW Leonis: Giant star expels multiple dust shells

Academics / General Science : Science Codex (4 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...


Copyright © 2015 Regator, LLC