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Chandra: What Lies Beneath? Magnetar Enigma Deepens
October 14, 2010

Neutron star

An artist's rendering of SGR 0418+5729, a slowly rotating neutron star with a very weak magnetic field at its surface. Observations from several telescopes, including NASA's Chandra X-ray Observatory, have revealed that the star is giving off bursts of X-rays and gamma rays. This discovery may indicate the presence of an internal magnetic field much more intense than the surface magnetic field, with implications for how the most powerful magnets in the cosmos evolve.

Credits: CXC/M. Weiss

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