Foam ‘Spider Webs’ From Tiny Satellites Could Help Clean Up Space Junk

Foam 'spider webs' from tiny satellites could help clean up space junk
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A little foam-spewing spacecraft could make a big dent in the space-junk problem in the coming years. The Russian startup StartRocket is developing a “Foam Debris Catcher,” a small, autonomous satellite that would snag and de-orbit space debris using sticky polymer foam. “It’s like a spider web,” StartRocket founder Vlad Sitnikov told Space.com. Related: Space junk cleanup: 7 wild ways to destroy orbital debris A growing problem Artist’s illustration of StartRocket’s planned Foam Debris Catcher extruding junk-snagging foam. Earth orbit is cluttered with about 129 million pieces of debris, 34,000 of which are at least 4 inches (10 centimeters) […]

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