News tagged with white dwarf star

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Einstein@Home detects unusual stellar pair

(PhysOrg.com) -- Neutron stars are quite unique: the material they are made of is packed much more densely than conventional matter. They rotate extremely fast about their own axis, emitting radiation in the ...

dateApr 07, 2011 in Astronomy
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Two dying stars reborn as one (w/ video)

White dwarfs are dead stars that pack a Sun's-worth of matter into an Earth-sized ball. Astronomers have just discovered an amazing pair of white dwarfs whirling around each other once every 39 minutes. This ...

dateApr 06, 2011 in Astronomy
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Habitable planets and white dwarfs

(PhysOrg.com) -- The search for habitable planets similar to Earth has routinely focused around active nuclear burning stars. However, in a recently published paper by Eric Agol from the University of Washington, ...

dateMar 22, 2011 in Astronomy report
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Will V445 puppis become a Ia supernova?

As the “V” in the designation of V445 Puppis indicates, this star was a variable star located in the constellation of Puppis. It was a fairly ordinary periodic variable, although with a rather complex ...

dateDec 06, 2010 in Astronomy
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Astronomers find 'snooker star system'

Astronomers at The University of Warwick and the University of Sheffield have helped discover an unusual star system which looks like, and may even once have behaved like, a game of snooker.

dateNov 09, 2010 in Astronomy
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Fermi detects gamma-rays from exploding nova

Using the Large Area Telescope (LAT) onboard NASA's Fermi Gamma-ray Space Telescope satellite, astronomers have detected gamma rays from a nova for the first time, a finding that surprises both observers and ...

dateAug 23, 2010 in Astronomy
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Origin of Key Cosmic Explosions Still a Mystery

(PhysOrg.com) -- When a star explodes as a supernova, it shines so brightly that it can be seen from millions of light-years away. One particular supernova variety - Type Ia - brightens and dims so predictably ...

dateJul 12, 2010 in Astronomy
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Supernovae mystery solved

(PhysOrg.com) -- Supernovae are gigantic stellar explosions that can be seen across the entire universe. Type Ia supernovae are a relatively homogeneous class of stellar explosions, which researchers use as ...

dateJun 30, 2010 in General Physics
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