NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.
The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s ...
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 ...