Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Aug 27, 2014
In November 2012, astronomers spotted a new planet 100 light years from Earth, but this giant planet does not orbit a star. There may be as many as 200 billion rogue planets in our galaxy - and one could be headed our way. | For more How the Universe Works, visit http://science.discovery.com/tv-shows...
Catch all new episodes of HOW THE UNIVERSE WORKS Wednesdays at 9/8c on Science Channel!