Galaxies hit single, doubles, and triple (growing black holes)

IMAGE: This pair of objects comes from a study of seven triple galaxy mergers. By using Chandra and other telescopes, astronomers determined what happened to the supermassive black holes at the centers of… view more  Credit: X-ray: NASA/CXC/Univ. of Michigan/A. Foord et al.; Optical: SDSS & NASA/STScI When three galaxies collide, what happens to the huge […]