Birth of a Comet - How The Universe Works
submitted by pkamweru
on 09/05/15
1
Comets were left over after the Solar System formed and remain a unique insight into those early days. For more info:- www.discoveryuk.com/web/how-the-universe-works/ Subscribe! www.youtube.com/subscription_center?add_user=DiscoveryTV Follow us on Twitter www.twitter.com/DiscoveryUK
