A small unmanned aircraft that would deploy from a cubesat released by a Mars lander as it enters the planet’s atmosphere is being studied by NASA’s Armstrong Flight Research Center. The flying-wing UAV could reconnoiter for future landing sites as it descends to the Martian surface. The Prandtl-M unmanned aircraft is a new direction for research into an old configuration at NASA Armstrong. The design is named after German engineer Ludwig Prandtl, who developed many of the key ...


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