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 them. The ...
Astronomy
Feb 12, 2015
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175
A stellar flare ten times more powerful than anything seen on our sun has burst from an ultracool star almost the same size as Jupiter.
Astronomy
Apr 17, 2019
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1437
(Phys.org) —When observing the bright explosion of a White Dwarf star in our neighbouring galaxy last year, researchers from The Australian National University collected the largest ever data set on what they recognised ...
Astronomy
Jun 20, 2013
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0
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 is the shortest-period ...
Astronomy
Apr 6, 2011
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0
Astronomers using the National Science Foundation's Green Bank Telescope (GBT) have discovered a unique stellar system of two white dwarf stars and a superdense neutron star, all packed within a space smaller than Earth's ...
Astronomy
Jan 5, 2014
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0
The sight of an asteroid being ripped apart by a dead star and forming a glowing debris ring has been captured in an image for the first time.
Astronomy
Nov 11, 2015
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1884
When stars like our sun die, all that remains is an exposed core—a white dwarf. A planet orbiting a white dwarf presents a promising opportunity to determine if life can survive the death of its star, according to Cornell ...
Astrobiology
Sep 16, 2020
4
392
A team of German astronomers, led by Professor Klaus Werner of the University of Tübingen, have discovered a strange new type of star covered in the by-product of helium burning. It is possible that the stars might have ...
Astronomy
Feb 14, 2022
0
396
A decades old space mystery has been solved by an international team of astronomers led by Professor Martin Barstow of the University of Leicester and President-elect of the Royal Astronomical Society.
Astronomy
Mar 26, 2014
5
0
For a planet, this would be like a day at the spa. After years of growing old, a massive planet could, in theory, brighten up with a radiant, youthful glow. Rejuvenated planets, as they are nicknamed, are only hypothetical. ...
Astronomy
Jun 26, 2015
0
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