Distant ‘galaxy’ isn’t a galaxy at all, but one of the brightest pulsars ever detected

A speck of light that scientists once believed to be a distant galaxy may actually be the brightest pulsar ever detected outside the Milky Way.

Named PSR J0523−7125 and located approximately 160,000 light-years from Earth in the Large Magellanic Cloud (a satellite galaxy that orbits the Milky Way), the newly defined pulsar is twice as wide as any other pulsar in the region and 10 times brighter than any known pulsar beyond our galaxy. The object is so large and bright, in fact, that researchers originally interpreted it as a distant galaxy – however, new research published May 2 in the Astrophysical Journal Letters suggests that is not the case.

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