Time is Money and Its Way More Expensive Than You Would Think

It’s easy to think about satellites as a bunch of mini-moons, orbiting the Earth seamlessly and without any (noticeable) movement. But that’s not quite right: satellites and other spacecraft often require fairly continuous tweaks to their positions in orbit.Historically, the aerospace industry has relied on thrusters, or a combination of reaction wheels and magnetic torque rods, to control a space