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Moonshots Opportunity and the MER team, under the direction of Mark Lemmon, then of Texas A&M University, now of the Space Science Institute, shot the Martian moons, Phobos (left) and Deimos (right) in May 2018. “It was nice to get Deimos, especially,” Lemmon said. “They are rare due to the orbit geometry.” NASA / JPL-Caltech / Cornell / ASU / Texas A&M