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The Search For a Second Earth by The Science Channel. Buy How the Universe Works series on Discovery Store: http://goo.gl/OO1p2q.
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⚠ Video information:
Serie: How the Universe Works: Season 3
Network: Discovery Channel, The Science Channel
Narrator: Mike Rowe
Release date: 2014
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This video is meant for entertainment and educational purposes. The Science Channel/Discovery Channel is the developer and publisher of this documentary for the purpose of copyright. All rights reserved.