News tagged with supernova remnants

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, forming a picturesque ...

dateNov 25, 2013 in Astronomy
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Image: Exploring the third dimension of Cassiopeia A

( —One of the most famous objects in the sky - the Cassiopeia A supernova remnant - will be on display like never before, thanks to NASA's Chandra X-ray Observatory and a new project from the Smithsonian Institution. ...

dateNov 18, 2013 in Astronomy
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A new way to see space – even its junk

When a large radio telescope in the Australian outback was unveiled last week its improved sensitivity was immediately apparent. It transformed images of supernova remnants taken with last year's equipment from undefined ...

dateJul 18, 2013 in Astronomy
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Super-freezer supernova 1987A is a dust factory

( —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 by Dr Mikako Matsuura ...

dateJul 05, 2013 in Astronomy
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The remarkable remains of a recent supernova

( —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 that is the most ...

dateJun 26, 2013 in Astronomy
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Supernovae and the origin of cosmic rays

( —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 brightest stellar ...

dateApr 22, 2013 in Astronomy
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