NASA just tested a powerful new thruster that could send humans to Mars

NASA’s lithium-powered electromagnetic thruster sets record in high-energy test, bringing Mars missions closer to reality. | Contesto: cronaca

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• NASA just tested a powerful new thruster that could send humans to Mars

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NASA has successfully tested a powerful new electromagnetic thruster at the Jet Propulsion Laboratory, achieving record-breaking power levels that could one day propel humans to Mars. The experimental engine, fueled by lithium vapor and driven by intense magnetic forces, fired inside a specialized vacuum chamber, reaching temperatures hotter than molten lava. This marks a major step forward in developing propulsion systems capable of supporting deep-space exploration. The test, conducted at JPL in Pasadena, California, demonstrated power output far beyond anything currently used in space. Unlike conventional chemical rockets or ion thrusters, this electromagnetic design uses magnetic fields to accelerate ionized lithium propellant to extreme velocities. The result is a thruster that can operate at higher efficiencies and for longer durations, potentially cutting travel time to Mars and enabling heavier cargo loads. Engineers emphasized that the thruster’s performance in the vacuum chamber validates key principles needed for interplanetary travel. The extreme heat generated during the test—exceeding the temperature of molten lava—required advanced cooling systems and robust materials to withstand the environment. Success in these conditions suggests the technology can handle the rigors of prolonged spaceflight. The implications for human Mars missions are significant. Current propulsion methods rely on chemical rockets that are fuel-intensive and limited in efficiency. Electromagnetic thrusters, by contrast, offer a pathway to sustained acceleration over months, reducing radiation exposure for crews and allowing more flexible mission windows. While still experimental, this test brings the concept closer to practical application. NASA has not announced a timeline for integrating the thruster into a flight-ready system, but the agency has long identified advanced propulsion as a critical enabler for sending astronauts to Mars. The test results will inform ongoing research into high-power electric propulsion, which could also support robotic missions to the outer planets and asteroid mining operations. The successful test raises new questions about how quickly this...

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Categoria: cronaca