10 Remarkable Galaxy Systems in Space - as part of the astronomy series by GeoBeats. Antennae Galaxies, 100 Million Years Old Collision and Continuing Centaurus A, Massive Black Hole in Middle Arp 273 Interacting Galaxies, 300 Million Light Years Away M 66, 36 Million Light Years Away NGC 4214, 10 Million Light Years Away NGC 2841, 46 Million Light Years Away NGC 2467, Massive Star Above the Center Abell 1689, 2.2 Billion Light Years from Earth Hickson Compact Group 31 Markarian 509