News tagged with chandra x ray observatory

X-ray emission from massive stars

Massive young stars are known to emit strong X-rays. Unlike the X-ray emission from lower mass stars, however, which arises in stellar photospheres, the X-rays from massive stars are thought to result from powerful shocks. ...

dateOct 26, 2015 in Astronomy
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Oxymoronic black hole RGG 118 provides clues to growth

Astronomers using NASA's Chandra X-ray Observatory and the 6.5-meter Clay Telescope in Chile have identified the smallest supermassive black hole ever detected in the center of a galaxy, as described in our latest press release. ...

dateAug 12, 2015 in Astronomy
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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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