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Astronomers have observed the closest pair of supermassive black holes to Earth ever seen. There is much less separation between the two objects than any other pair than has previously been spotted, ...

Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive black holes discovered yet. Credit: ESO/L. Calçada ; N. Risinger (skysurvey ...