Dwarf Galaxies Swimming in Tidal Tails

This image was taken in 2005 by NASA/JPL-Caltech/Cornell Univ.. Still mesmerizing to this day.

This false-color infrared image from NASA Spitzer Space Telescope shows little dwarf galaxies forming in the tails of two larger galaxies that are colliding together.
This false-color infrared image from NASA Spitzer Space Telescope shows little dwarf galaxies forming in the tails of two larger galaxies that are colliding together.

By NASA

This false-color infrared image from NASA Spitzer Space Telescope shows little dwarf galaxies forming in the tails of two larger galaxies that are colliding together.
by NASA