News tagged with white dwarfs

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Possible bright supernova lights up spiral galaxy M61

I sat straight up in my seat when I learned of the discovery of a possible new supernova in the bright Virgo galaxy M61. Since bright usually means close, this newly exploding star may soon become visible in smaller telescopes. ...

dateOct 31, 2014 in Astronomy
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'Zombie' stars key to measuring dark energy

"Zombie" stars that explode like bombs as they die, only to revive by sucking matter out of other stars. According to an astrophysicist at UC Santa Barbara, this isn't the plot for the latest 3D blockbuster movie. Instead, ...

dateJun 30, 2011 in Astronomy
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White dwarfs hide information on dark forces

Researchers from Europe and the USA have ruled out a multitude of possible parameters for dark photons - a type of dark matter and energy - with the help of white dwarfs. In some aspects, the shining of these dying stars ...

dateNov 05, 2013 in Astronomy
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Chandra Reveals Origin of Key Cosmic Explosions

( -- 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 the universe. The ...

dateFeb 17, 2010 in Astronomy
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Discovery of the companions of millisecond pulsars

When a star with a mass of roughly ten solar masses finishes its life, it does so in a spectacular explosion known as a supernova, leaving behind as remnant "ash" a neutron star. Neutron stars have masses of one-to-several ...

dateSep 28, 2015 in Astronomy
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