Feature Luminous Arcs Discovered between Galaxies Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News Magazine Issue: Vol. 131 No. #3, January 17, 1987 Having trouble viewing this? Open in a new window