After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...
A blue dwarf galaxy pitched through the bullseye's galactic neighborhood 50 million years ago, leaving behind nine glittering rings.
Hubble and Keck’s follow-up observations also helped the researchers prove which galaxy plunged through the center of Bullseye — a blue dwarf galaxy to its center-left. NASA e ...