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Mars ain't the kind of place to raise your kids. In fact it's cold as hell – Elton John, Rocketman Mars is hard. Only 26 of 56 missions sent to Mars have been successful. Landing on Mars is especially hard. Even though Mars’s gravity is only a third of Earth’s, the planetary atmosphere is 100…
Blades Ingenuity’s 2-foot-long blades are specially designed for the Martian atmosphere, which is 1 percent the density of Earth’s. “As the blades rotate, they tend to flap up and down a little bit, which interferes with control,” Balaram tells Popular Mechanics. “On Earth, [this motion] gets stamped out. On Mars, in the thin air, it doesn't get stamped out.” Grip, a research technologist also at NASA’s Jet Propulsion Laboratory, likens the unsteady motion to riding a bicycle with heavy grocery bags hanging from the handle bars. To counteract the wobble and make the flight smo...