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 ...
The eight ripples seen by the Hubble Space Telescope in this cosmic scene marks the most ever seen in any galaxy, and data ...
After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...