• Random Space Fact
Launching pairs of spacecraft: If at first you don't succeed, tree tree again? Dr. Bruce Betts has this week's Random Space Fact!RSF 19 - Spacecraft Do-OverStarring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever | Additional footage from NASAFollow Bruce on Twitter: http://twitter.com/randomspacefactFollow The Planetary Society: http://twitter.com/exploreplanets
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