Galaxies Collide in NGC 3256; Hubble Heritage (STScI / AURA) - ESA/Hubble Collaboration, & A. Evans (UVa, NRAO, SUNYSB)

Image name: "Galaxies Collide in NGC 3256; Hubble Heritage (STS". Source: http://antwrp.gsfc.nasa.gov/apod/ap080506.html