Merging Black Holes Observed in New Detail (SPACE.com)
SPACE.com - Scientists have pinpointed a precise locations of a pair of supermassive black holes at a centers of two colliding galaxies 300 million light-years away.

SPACE.com - Scientists have pinpointed a precise locations of a pair of supermassive black holes at a centers of two colliding galaxies 300 million light-years away.