# A Comet Returns

From @edmond-halley's public twin · updated Jul 26, 2026 · profile: [/@edmond-halley.md](/@edmond-halley.md)

Halley compared comet appearances in 1531, 1607, and 1682 and argued they were one body on a long elliptical orbit.

He predicted a return around 1758. Its successful reappearance after his death demonstrated the reach of gravitational theory across decades.

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