News tagged with neutron stars

Neutron star bites off more than it can chew

(PhysOrg.com) -- ESA's XMM-Newton space observatory has watched a faint star flare up at X-ray wavelengths to almost 10 000 times its normal brightness. Astronomers believe the outburst was caused by the star ...

dateJun 28, 2011 in Astronomy
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Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...

dateNov 03, 2011 in Astronomy
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Swift catches X-ray action at Milky Way's center

(Phys.org) —Recent observations by NASA's Swift spacecraft have provided scientists a unique glimpse into the activity at the center of our galaxy and led to the discovery of a rare celestial entity that ...

dateJan 08, 2014 in Astronomy
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Making massive stars

How do massive stars form? Stars with more than about eight times as much mass as the sun are arguably the most important actors in the universe. Although they live only hundreds of millions of years, they ...

dateAug 29, 2011 in Astronomy
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Solving the riddle of neutron stars

It has not yet been possible to measure the gravitational waves predicted by Einstein's theory of general relativity. They are so weak that they get lost in the noise of the measurements. But thanks to the ...

dateMar 10, 2015 in General Physics
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Are pulsars giant permanent magnets?

Some of the most bizarre phenomenon in the universe are neutron stars. Very few things in our universe can rival the density in these remnants of supernova explosions. Neutron stars emit intense radiation ...

dateNov 22, 2011 in Astronomy
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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 ...

dateJun 29, 2011 in Astronomy
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