News tagged with white dwarfs

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G299.2-2.9, a middle-aged supernova remnant

( -- G299.2-2.9 is an intriguing supernova remnant found about 16,000 light years away in the Milky Way galaxy. Evidence points to G299.2-2.9 being the remains of a Type Ia supernova, where a white dwarf has grown ...

dateOct 13, 2011 in Astronomy
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Watery, rocky planets may be common in the Milky Way

( -- An international team of astronomers have discovered compelling evidence that rocky planets are commonplace in our Galaxy. Leicester University scientist and lead researcher Dr Jay Farihi surveyed white dwarfs, ...

dateApr 13, 2010 in Astronomy
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Runaway binary stars

CfA astronomers made a remarkable and fortuitous discovery in 2005: an extremely fast moving star, clocked going over three million kilometers an hour. It appears to have been ejected from the vicinity of the galactic center's ...

dateOct 07, 2013 in Astronomy
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Cosmic 'Death Star' is destroying a planet

The Death Star of the movie Star Wars may be fictional, but planetary destruction is real. Astronomers announced today that they have spotted a large, rocky object disintegrating in its death spiral around a distant white ...

dateOct 21, 2015 in Astronomy
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Telescopes help solve ancient supernova mystery

( -- A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's Spitzer Space ...

dateOct 24, 2011 in Astronomy
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