big picture science

big picture science

Dark Energy | Are We Alone?

6d ago
SOURCE  

Description

We may not know what dark energy is, but we know what it is not. Scientists explain how the amount of dark energy played a crucial role in the formation of our universe. | For more Are We Alone?, visit http://science.discovery.com/tv-shows/are-we-alone/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel