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Wolf-Rayet star
(redirected from Wolf-Rayet stars)

    Also found in: Wikipedia 0.04 sec.
Wolf-Rayet star: see spectral class spectral class, in astronomy, a classification of the stars by their spectrum and luminosity . In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
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Akin to the winds of ionized particles blowing out from the sun, these winds of O and Wolf-Rayet stars are much more powerful, with speeds of 2,000 to 4,000 kilometers per second.
Gorgeous gas: new observations of space clouds reveal stellar ... by Cowen, Ron / Science News
These objects may represent a brief transitional phase between ordinary massive stars, known as O stars, and Wolf-Rayet stars, which have ejected their outer layers.
Big gun: Pistol shines in the infrared by Cowen, Ron / Science News
Drissen's team speculated that the winds blown either by bright, hot stars known as Wolf-Rayet stars or by old stars called red supergiants could have pumped up the gas.
Tiny galaxy packs a wallop by Science News
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