(Phys.org) —Astronomers have peered for the first time into the heart of an exploding star in the final minutes of its existence. The feat by the high-energy X-ray satellite NuSTAR provides details of the physics of the ...
Astronomy
Feb 19, 2014
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(Phys.org) —A supernova has been spotted in the constellation Ursa Major (between the Big and Little Dipper in the night sky) in the M82 galaxy (affectionately known as the cigar galaxy) by a team of students at University ...
(Phys.org) —A team of astronomers including two researchers from UCL's Mullard Space Science Laboratory has made the first ever measurement of the magnetic field at a specific spot on the surface of a magnetar. Magnetars ...
Astronomy
Aug 14, 2013
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(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra ...
Astronomy
May 23, 2013
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(Phys.org) —An exploding star observed in 1604 by the German astronomer Johannes Kepler held a greater fraction of heavy elements than the sun, according to an analysis of X-ray observations from the Japan-led Suzaku satellite. ...
Astronomy
Apr 8, 2013
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(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after the coordinates ...
Astronomy
Mar 15, 2013
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An automated supernova hunt is shedding new light on the death sequence of massive stars—specifically, the kind that self-destruct in Type IIn supernova explosions.
Astronomy
Feb 6, 2013
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(Phys.org)—In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes Kepler. Centuries ...
Astronomy
Sep 11, 2012
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(Phys.org) -- A supernova may have actually been the mysterious "Red Crucifix" in the sky that is cited in the Anglo Saxon Chronicle for the year 774. New correspondence between a university student and Nature carries interesting ...
(PhysOrg.com) -- Physicists have a new theory on the mysterious mechanism that causes the explosion of massive, or core, stars. These ‘Type II supernovae’, the term given to exploding core stars, are huge and spectacular ...
General Physics
Nov 8, 2011
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