Photo courtesy NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble
Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/
Stony Brook University)
ESO 148-2 is a beautiful object that resembles an owl in flight. It consists of a pair of former disk galaxies undergoing a collision. Two huge wings sweep out from the center and curve in opposite directions. These are tails of stars and gas.