News tagged with massive stars

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'Odd couple' binary makes dual gamma-ray flares

(PhysOrg.com) -- In December 2010, a pair of mismatched stars in the southern constellation Crux whisked past each other at a distance closer than Venus orbits the sun. The system possesses a so-far unique blend of a hot ...

dateJun 29, 2011 in Astronomy
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Image: Star-forming region ON2

(Phys.org) —Massive stars are born in tumultuous clouds of gas and dust. They lead a brief but intense life, blowing powerful winds of particles and radiation that strike their surroundings, before their explosive demise ...

dateMar 24, 2014 in Astronomy
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Shedding light on the power of M 82's superwinds

(Phys.org)—An international team of astronomers, led by Dr. Kazuya Matsubayshi (Kyoto University), has discovered that outflows of gas from starburst galaxy M 82 collide with a "cap" of gas clouds 40,000 light years away ...

dateJan 19, 2013 in Astronomy
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Image: The NGC 5194 spiral galaxy

The Whirlpool Galaxy, also known as M51 or NGC 5194, is one of the most spectacular examples of a spiral galaxy. With two spiral arms curling into one another in a billowing swirl, this galaxy hosts over a hundred billion ...

dateJan 28, 2014 in Astronomy
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Massive stellar winds are made of tiny pieces

(Phys.org)—ESA's XMM-Newton space observatory has completed the most detailed study ever of the fierce wind from a giant star, showing for the first time that it is not a uniform breeze but is fragmented into hundreds of ...

dateFeb 05, 2013 in Astronomy
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Sweeping the dust from a cosmic lobster

(Phys.org)—A new image from ESO's VISTA telescope captures a celestial landscape of glowing clouds of gas and tendrils of dust surrounding hot young stars. This infrared view reveals the stellar nursery known as NGC 6357 ...

dateFeb 20, 2013 in Astronomy
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Vela Pulsar

(Phys.org)—This movie from NASA's Chandra X-ray Observatory shows a fast moving jet of particles produced by a rapidly rotating neutron star, and may provide new insight into the nature of some of the densest matter in ...

dateJan 08, 2013 in Astronomy
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