05:40Ringworlds
From the creator
After spotting a mysterious star with two rings around it, scientists struggle to explain the anomaly. Could it be a "Ringworld" created by a highly superior race as suggested in a sci-fi novel? | For more, visit http://www.sciencechannel.com/tv-shows/are-we-alone?/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. | http://bit.ly/SCI2YT
Published 2015-05-22 · Watch on YouTube ↗
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