SMRTR TechJul 10, 2025Hacker News

Could a Paper Plane Thrown from the ISS Survive the Flight?

SMRTR summary

A paper airplane thrown from the International Space Station would descend rapidly, remaining stable until about 120 km altitude. At that point, increased air density would cause tumbling and eventual disintegration. Researchers simulated this scenario and tested a model in a hypersonic wind tunnel, demonstrating potential applications for lightweight atmospheric probes.

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