Can We Use Special Sails To Bring Old Satellites Back Down To Earth?

Drag sails can be used to de-orbit old satellites. Image Credit: Purdue University/David Spencer

The growing problem of space debris in LEO (Low-Earth Orbit) is garnering more and more attention. With thousands of satellites in orbit, and thousands more on the way, our appetite for satellites seems boundless. But every satellite has a shelf-life. What do we do with them when they’ve outlived their usefulness and devolve into simple, troublesome space debris?

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