Hubble's Revolution | How the Universe Works
submitted by pkamweru
on 09/05/15
1
Edwin Hubble's great discovery that galaxies are all moving away from each other at incredible speeds provided the first evidence for the Big Bang Theory. | For more How the Universe Works, visit science.discovery.com/tv-shows/how-the-universe-works/#mkcpgn=ytsci1 Subscribe to Science Channel! | www.youtube.com/subscription_center?add_user=sciencechannel
