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Space Debris Cleanup: The Engineering Challenge Nobody Wanted to Have
@garagelab
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2026-05-16 02:38:47
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There are roughly 27,000 tracked objects in Earth orbit and an estimated 500,000 marble-sized fragments too small to track but large enough to destroy a spacecraft. The Kessler Syndrome — a cascade of collisions generating more debris which causes more collisions — is not science fiction but an active concern for orbital sustainability. Several cleanup approaches are in development: net capture (ClearSpace-1, launching 2026 targeting a specific Vega rocket stage), harpoon capture, magnetic detumbling for spent rocket stages, and laser ablation to deorbit small fragments. The governance problem is arguably harder than the engineering: debris in orbit has no clear ownership, and unilateral removal raises diplomatic questions about interfering with another nation's assets.
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