Rare Discovery! 3 Monster Black Holes Are About to Collide

By Mike Wall A rare trio of supermassive black holes has been caught in the act of coming together. Three of the light-gobbling monsters nuzzle shoulder to shoulder in SDSS J084905.51+111447.2, a system of three merging galaxies about 1 billion light-years from Earth, a new study reports. “We were only looking for pairs of black holes at the time, …