Asteroid 2012 DA14 – What You Need To Know


VideoFromSpace

Published on Feb 7, 2013

Don Yeomans, manager of NASA’s Near-Earth Object Program Office, gives SPACE.com exclusive insight on the space rock that will come closer than geosynchronous satellites on February 15th, 2013.
Complete Coverage of Asteroid 2012 DA14 – http://www.space.com/19646-asteroid-2…

Environment Ethics http://courses.dce.harvard.edu/~envre120

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