By Amanda Kooser Despite some challenges, humankind pulled off landing a spacecraft on a comet. If you were in charge of the next major space mission, where would you choose to go?
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Source:: http://cnet.com.feedsportal.com/c/34938/f/645093/s/407ad2a8/sc/8/l/0L0Scnet0N0Cnews0Cfriday0Epoll0Ewhat0Eshould0Eour0Enext0Ebig0Estep0Ein0Ethe0Esolar0Esystem0Ebe0C0Tftag0FCAD590Aa51e/story01.htm