Astrophysical Journal

A hidden population of exotic neutron stars

(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra ...

dateMay 23, 2013 in Astronomy
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Theorists weigh in on where to hunt dark matter

(Phys.org) —Now that it looks like the hunt for the Higgs boson is over, particles of dark matter are at the top of the physics "Most Wanted" list. Dozens of experiments have been searching for them, but often come up with ...

dateMay 22, 2013 in General Physics
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Hubble telescope breaks record for farthest supernova

(Phys.org) —The supernova, designated SN UDS10Wil, belongs to a special class of exploding stars known as Type Ia supernovae. These bright beacons are prized by astronomers because they can be used as a yardstick for measuring ...

dateApr 04, 2013 in Astronomy
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Astronomers discover new kind of supernova

(Phys.org) —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new type of supernova ...

dateMar 26, 2013 in Astronomy
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Swift, Chandra explore a youthful 'star wreck'

(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after the coordinates ...

dateMar 15, 2013 in Astronomy
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