Satellites orbiting Earth are increasing like crazy — how do we prevent them from crashing?

In recent years, satellites have become smaller, cheaper, and easier to make with commercial off the shelf parts. Some even weigh as little as one gram. This means more people can afford to send them into orbit. Now, satellite operators have started launching mega-constellations – groups of hundreds or even thousands of small satellites working together – into orbit around Earth. Instead of one large satellite, groups of small satellites can provide coverage of the entire planet at once. Civil, military, and private operators are increasingly using constellations to create global and continuous coverage of the Earth. Constellations can provide…

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