NASA's Hubble Space Telescope has captured a cosmic bullseye. The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an "arrow"—a far smaller blue dwarf galaxy—shot ...
Yale astronomers have announced the discovery of a galaxy with nine concentric rings—the most rings ever seen in a single galaxy. At more than twice the diameter of our Milky Way, it stretches ...