Two similarly-sized spiral galaxies — NGC 5426 and NGC 5427 — swing past each other in a cosmic dance choreographed by gravity. Two spiral galaxies NGC 5426 and NGC 5427 are locked in a swirling dance in this image from the VIMOS instrument on ESO’s Very Large Telescope. Image credit: Juan Carlos Muñoz / ESO. NGC 5426 and NGC 5427 form an intriguing astronomical object named Arp 271. Originally discovered in 1785 by German-born British...
