News tagged with white dwarfs

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Exploded star blooms like a cosmic flower

Because the debris fields of exploded stars, known as supernova remnants, are very hot, energetic, and glow brightly in X-ray light, NASA's Chandra X-ray Observatory has proven to be a valuable tool in studying ...

Feb 12, 2015
4.8 / 5 (18) 8

The spectra of white dwarf stars

Yesterday I talked about the Higgs, and how its discovery has led to a flurry of articles about how it might apply to astrophysics. So today here's another example, and this one's interesting because it's ...

Oct 09, 2014
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The evidence for pair-instability supernovae

A supernova is a stellar explosion. They can occur when a large star exhausts its ability to fuse hydrogen into higher elements, and its core collapses. The resulting rebound rips apart the outer layers of ...

Oct 06, 2014
4.9 / 5 (20) 5

Gaia discovers its first supernova

(Phys.org) —While scanning the sky to measure the positions and movements of stars in our Galaxy, Gaia has discovered its first stellar explosion in another galaxy far, far away.

Sep 12, 2014
4.5 / 5 (11) 1

Spectacular supernova's mysteries revealed

(Phys.org) —New research by a team of UK and European-based astronomers is helping to solve the mystery of what caused a spectacular supernova in a galaxy 11 million light years away, seen earlier this ...

Aug 22, 2014
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