NGC 4676 (the Mice Galaxies) are two spiral galaxies about 290 million light-years away. They are in the process of colliding and merging.
.jpg "The Colliding Mice Galaxies 1")
This photograph was taken by the Hubble Space Telescope in 2002. The size of this combined galaxy is 760,000 light years across. In the background of the Mice Galaxies, there are at least 3300 galaxies, at distances up to 13 billion light-years.
