Researchers publish catalog of galaxies (Image 4)

Researchers publish catalog of galaxies (Image 4) 08/18/2017 01:08 PM EDT This pair of galaxies is named NGC 4676 (also known as "The Mice") and was identified as a merging pair by the Galaxy Zoo 2 project. The long streams in the images are stars and gas being stripped from the galaxies due to their mutual gravitational interaction and are known as tidal tails. ... This is an NSF Multimedia Gallery item.   Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111