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NASA's Mars 2020 rover will store rock and soil samples in sealed tubes on the planet's surface for future missions to retrieve, as seen in this illustration. The Mars 2020 rover, scheduled to launch in July 2020, represents the first leg of humanity's first planned round trip to another planet. NASA and the European Space Agency are solidifying concepts for a Mars sample return mission. https://photojournal.jpl.nasa.gov/catalog/PIA23492
