Astronomers Find Closest Neutron Star

Astronomers using NASA's Swift X-ray telescope have detected a neutron star within 250 to 1,000 light-years of Earth, making it the closest neutron star ever known.
The object, located in the constellation Ursa Minor, is nicknamed Calvera, after the villain in the movie "The Magnificent Seven." If confirmed, it would be only the eighth known "isolated neutron star," or one that does not have supernova remnants, binary companions or radio pulsations.

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