Description

One of the big mysteries in astronomy is how galaxies grow and evolve over time Collisions between galaxies are thought to be key events that shape their development A stunning collection of 59 new images of colliding galaxies has been released to mark the 18th anniversary of the NASA ESA Hubble Space Telescope They give us a unique insight into how galaxies collide to form larger galaxies

Video URL:
http://www.allthingsscience.com/video/77/Hubblecast-16