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Charles Elachi

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  1. Milken Institute29 min

    Charles Elachi on Curiosity rover's journey to Mars

    Charles Elachi

    The Curiosity rover successfully executed a fully autonomous landing on Mars by surviving a seven-minute descent that reduced its velocity from 13,000 mph while navigating the planet's thin atmosphere without real-time ground control. Engineers overcame the spacecraft's massive 10-fold weight increase compared to previous rovers by deploying a supersonic parachute followed by a novel "Sky Crane" maneuver that lowered the vehicle via cable 30 feet above the surface. This unprecedented feat, achieved by a young team of engineers using simulations based on actual telemetry, delivered the rover to within two kilometers of its target and marked a significant advancement in navigation technology.