Bizarre object 10 million times brighter than the sun defies physics, NASA says

An illustration of a neutron star -- an ultra-luminous X-ray source -- spinning around as tendrils of magnetic field whip through space. (Image credit: NASA/JPL-Caltech) A bizarre 'ultraluminous X-ray source' shines millions of times brighter than the sun, breaking a physical law called the Eddington limit, a new study finds. A bizarre 'ultraluminous X-ray source' shines millions of times brighter than the sun, breaking a physical law called the Eddington limit, a new study finds. Bizarre object 10 million times brighter than the sun defies physics, NASA says