Open house at NASA's Jet Propulsion Laboratory [Getty Images]

CALIFORNIA, UNITED STATES - OCTOBER 14: Visitors are seen during the open house of NASA's Jet Propulsion Laboratory, the event themed Welcome to Our Universe, take visitors on a ride through the wonders of space in Pasadena, California United States on October 14, 2014. Highlights include JPLs machine shop, where robotic spacecraft parts are built, a life-size model of Mars Science Laboratory. (Phot by Mintaha Neslihan Eroglu / Anadolu Agency / Getty Images)

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