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![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Neutron_star_illustrated.jpg/360px-Neutron_star_illustrated.jpg)
A radio-quiet neutron star is a neutron star that does not seem to emit radio emissions, but is still visible to Earth through electromagnetic radiation at other parts of the spectrum, particularly X-rays and gamma rays. Artist's illustration of an 'isolated neutron star' -- one without associated supernova remnants or binary companions.