Claim Verification: "The Great Wall of China is the only man-made object visible from space with the naked eye." — Disproved

Automated fact-verification of the claim: "The Great Wall of China is the only man-made object visible from space with the naked eye." Verdict: DISPROVED Key Findings Both sub-claims are false. The Great Wall of China is NOT visible from space with the naked eye, AND it is NOT the only man-made object that could be — many others (highways, dams, cities) are routinely visible from low Earth orbit. NASA officially states the wall is "difficult or impossible to see from Earth orbit without high-powered lenses" (B1). Former NASA astronaut Jeffrey Hoffman confirms: "I have spent a lot of time looking at the Earth from space, including numerous flights over China, and I never saw the wall" (B2). Multiple man-made structures — highways, dams, and cities — are visible from space without magnification (B4), directly contradicting the "only" claim. Files proof.py — Re-runnable Python verification script proof.md — Structured proof report proof_audit.md — Full verification audit trail proof_narrative.md — Plain-language summary proof.json — Machine-readable structured data Generated by Proof Engine v0.10.0.