Family of Galaxies | How the Universe Works
submitted by King
on 01/25/15
1
In 1924, Edwin Hubble discovered that there were more galaxies other than the Milky Way. | 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 Check out SCI2 for infinitely awesome science videos. Every day. | bit.ly/SCI2YT Download the TestTube app! | testu.be/1ndmmMq
