It’s no secret that there’s an awful lot of hazardous space junk in Earth’s orbit, so the Swiss (who else?) are going to use a Pac-Man satellite to clean up orbital debris, per Engadget:
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The Swiss aren’t big on littering, and that philosophy apparently applies to space, too. After the nation’s EPFL Center for Space Engineering launched its first satellites (the tiny SwissCubes) into orbit, the very next mission planned was “CleanSpace One” to get them out of orbit. For one, the researchers didn’t want to add to the reams of existing space garbage threatening other satellites and astronauts at speeds of up to 15,000mph. But mainly, they want to test a practical system for cleaning space junk with relatively small targets. After considering various systems, the EPFL has settled on a “Pac-Man” solution that will trap the satellites with a conical net.
The operation will be tricky, because just finding the 4×4-inch satellites is going to be difficult.