Read more:
http://space.newscientist.com/article/dn13766
Hubble images of colliding galaxies illustrate different stages of the violent events; these are compared with a computer simulation (Courtesy of NASA/ESA/Hubble Heritage Team/STScI/AURA/A Evans/U of Virginia/NRAO/Stony Brook U/K Noll/J Westphal)
