News tagged with supernova remnants

Remnant of an explosion with a powerful kick?

(PhysOrg.com) -- Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of their explosions. In its more than twelve years of science operations, NASA's ...

dateFeb 02, 2012 in Astronomy
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Supernovae and the origin of cosmic rays

(Phys.org) —In the spring of the year 1006, one thousand and seven years ago this April, observers in China, Egypt, Iraq, Japan, Switzerland (and perhaps North America) reported seeing what might be the ...

dateApr 22, 2013 in Astronomy
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Supernova cleans up its surroundings

(Phys.org) —Supernovas are the spectacular ends to the lives of many massive stars. These explosions, which occur on average twice a century in the Milky Way, can produce enormous amounts of energy and ...

dateApr 10, 2014 in Astronomy
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Fermi's motion produces a study in spirograph

(Phys.org)—NASA's Fermi Gamma-ray Space Telescope orbits our planet every 95 minutes, building up increasingly deeper views of the universe with every circuit. Its wide-eyed Large Area Telescope (LAT) sweeps ...

dateFeb 27, 2013 in Astronomy
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Super-freezer supernova 1987A is a dust factory

(Phys.org) —Surprisingly low temperatures detected in the remnant of the supernova 1987A may explain the mystery of why space is so abundant with dust grains and molecules. The results will be presented ...

dateJul 05, 2013 in Astronomy
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Mach 1000 shock wave lights supernova remnant

When a star explodes as a supernova, it shines brightly for a few weeks or months before fading away. Yet the material blasted outward from the explosion still glows hundreds or thousands of years later, ...

dateNov 25, 2013 in Astronomy
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The remarkable remains of a recent supernova

(Phys.org) —Astronomers estimate that a star explodes as a supernova in our Galaxy, on average, about twice per century. In 2008, a team of scientists announced they discovered the remains of a supernova ...

dateJun 26, 2013 in Astronomy
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