Astronomers Find Closest Pair of Supermassive Black Holes

A team of U.S. astronomers has found the closest pair of supermassive black holes ever discovered in the Universe. The black hole pair is in the center of a quasar called PKS 1302-102, approximately 3.5 billion light-years away. These two black holes are only a light-week apart and are spiraling toward a cataclysmic collision. By [...] —> Read More