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 ...
Hubble’s image of Markarian 231 reveals the nearest quasar to Earth, 600 million light-years away, with two supermassive black holes. Hubble’s image shows a spiral galaxy passing through NGC 1275, ...