News tagged with light rays

Pulsar punches hole in stellar disk

A fast-moving pulsar appears to have punched a hole in a disk of gas around its companion star and launched a fragment of the disk outward at a speed of about 4 million miles per hour. NASA's Chandra X-ray Observatory is ...

dateJul 22, 2015 in Astronomy
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NASA image: Stellar sparklers that last

While fireworks only last a short time here on Earth, a bundle of cosmic sparklers in a nearby cluster of stars will be going off for a very long time. NGC 1333 is a star cluster populated with many young stars that are less ...

dateJul 03, 2015 in Astronomy
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Light echo helps researchers map out parts of galaxy

Thousands of years before humans invented agriculture, a bright burst of X-rays left the dense neutron star Circinus X-1, located in the faint Southern constellation Circinus. A year and a half ago, those X-rays were detected ...

dateJul 03, 2015 in Astronomy
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On-demand X-rays at synchrotron light sources

Consumers are now in the era of "on-demand" entertainment, in which they have access to the books, music and movies they want thanks to the internet. Likewise, scientists who use synchrotron light sources are welcoming an ...

dateMay 26, 2015 in General Physics
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