8legs: University of surrey

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Space is filling with junk and scientists have a fix

A circular space economy aims to reduce waste by repairing, reusing, and recycling spacecraft as Earth's orbit becomes more crowded.
Researchers call for longer-lasting spacecraft and in-orbit repair capabilities to cut launches and material loss.
New debris-removal methods, like robotic arms or nets, could help collect fragments for recycling and prevent collisions.
Data-driven tools and AI could guide design improvements and real-time avoidance of dangerous debris.
The study stresses international cooperation and policy frameworks to enable reuse and recovery beyond Earth.
The circular approach targets end-to-end system changes, from materials to operation and retirement.
The authors note space activity spans mega-constellations, lunar and Mars missions, increasing debris risk.
Recovery and reuse would involve safe return to Earth for some components and in-orbit manufacturing.
The paper is published in Chem Circularity and supported by UK research councils and partnerships.
The study urges developing new tools to collect old debris and data-driven monitoring for a cleaner orbit.

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