What is Mice galaxies?
[[File:Merging galaxies NGC 4676 (captured by the Hubble Space Telescope).jpg|thumb|right|300px|NGC 4676B (down-left) and NGC 4676A (up-right)]] The '''Mice galaxies''' ('''NGC 4676''') are two [[Spiral galaxy|spiral galaxies]] in the [[constellation]] [[Coma Berenices]]. About 290 million [[light-year]]s away,<ref>Chien, Li-Hsin 2007. Multiobject spectroscopy of young star clusters in NGC 4676. ''The Astrophysical Journal'' '''660''' (2): L105–L108. [http://iopscience.iop.org/1538-4357/660/2/L105/]</ref> we see them as they began to collide and merge. Their name refers to the long tails produced by [[tidal force|tidal action]], which is the relative difference between gravitational pulls on the near and far parts of each galaxy. They are members of the [[Coma galaxy cluster|Coma cluster]], so the galaxies may have collided before, and will continue colliding until they merge. The galaxies were photographed in 2002 by the [[Hubble Space Telescope]].<ref>Hubble's new camera delivers breathtaking views of the Universe. ''HubbleSite'' 2002. [http://hubblesite.org/newscenter/archive/releases/2002/11/image/d/]</ref> == References == {{reflist}} {{science-stub}} [[Category:Galaxies]]