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https://www.space.com/40056-air-breathing-electric-thruster-test.html?utm_source=quora For the first time, the European Space Agency (ESA) has tested a novel air-breathing electric thruster that could allow near-Earth orbiting satellites to stay in space almost indefinitely. The thruster, designed to harvest atmospheric molecules and use them instead of onboard propellant, could also make future Mars exploration easier, ESA officials said. Satellites need propulsion to hold their position or move around in space. Conventionally, satellites use rocket-like chemical propulsion, but electrical thrusters are becoming increasingly popular due to their better e…
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