Tech Today: NASA’s Ion Thruster Knowhow Keeps Satellites Flying

In low Earth orbit, satellites face a constant challenge a tiny amount of atmospheric drag that, over time, causes them to slow down and decay their orbit. To combat this, spacecraft rely on in-space thrusters to adjust positioning and boost orbits. However, most of these thrusters use heavy, expensive chemical propellants. This is where 8230;. https://www.nasa.gov/direc...
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