Stories about: gravitational collapse

Weird Ring around Magnetar, a New Dilemma for Astronomers In 2005 and 2007, NASA Spitzer Space Telescope detected two narrow infrared signatures near the magnetar dubbed SGR 1900+14, suggesting that the star was surrounded by a ring of matter that remained in its vicinity after the progenitor star went 'nova'. SGR 1900+14 is a neutron star with a magnetic field a ...	29 May 2008 04:32 GMT

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Weird Ring around Magnetar, a New Dilemma for Astronomers