News tagged with white dwarfs

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Measuring a Monstrous Supernova

A rare Type Ia supernova whose progenitor star had a mass some two and a half times that of our sun - much more mass than a Type Ia progenitor should be able to accumulate before it explodes - has led members ...

Mar 25, 2010
4.8 / 5 (9) 1 | 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

Giant Planet Set for a Cataclysmic Show

(PhysOrg.com) -- A team of Chinese astronomers have discovered a giant planet close to the exotic binary star system QS Virginis. Although dormant now, in the future the two stars will one day erupt in a violent ...

Dec 16, 2009
4.9 / 5 (16) 4

Ticking stellar time bomb identified (w/ Video)

(PhysOrg.com) -- "One of the major problems in modern astrophysics is the fact that we still do not know exactly what kinds of stellar system explode as a Type Ia supernova," says Patrick Woudt, from the University ...

Nov 17, 2009
4.8 / 5 (12) 0

The Ring Nebula

The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data ...

Nov 02, 2009
4.3 / 5 (7) 2