News tagged with white dwarfs

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'Odd couple' binary makes dual gamma-ray flares

(PhysOrg.com) -- In December 2010, a pair of mismatched stars in the southern constellation Crux whisked past each other at a distance closer than Venus orbits the sun. The system possesses a so-far unique ...

Jun 29, 2011
4 / 5 (4) 3 | with audio podcast

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 ...

Apr 06, 2011
4.8 / 5 (10) 14 | with audio podcast

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, ...

Mar 22, 2011 report
4.8 / 5 (24) 21 | with audio podcast

Unique eclipsing binary star system discovered

(PhysOrg.com) -- Astrophysicists at UC Santa Barbara are the first scientists to identify two white dwarf stars in an eclipsing binary system, allowing for the first direct radius measurement of a rare white ...

May 19, 2010
4.9 / 5 (15) 0 | with audio podcast

Chandra Reveals Origin of Key Cosmic Explosions

(PhysOrg.com) -- New findings from NASA's Chandra X-ray Observatory have provided a major advance in understanding a type of supernova critical for studying the dark energy that astronomers think pervades ...

Feb 17, 2010
5 / 5 (10) 6 | with audio podcast