John Couch Adams and Urbain Le Verrier predicted the position of Neptune by analyzing perturbations in the orbit of Uranus.

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SUPPORTED

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7 sources for · 0 against

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Is it true that John Couch Adams and Urbain Le Verrier predicted the position of Neptune by analyzing perturbations in the orbit of Uranus?

Yes. Historical records and scientific references confirm that both John Couch Adams and Urbain Le Verrier independently predicted the position of Neptune by analyzing gravitational perturbations in the orbit of Uranus.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked 4 Oct 2026

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Evidence for · 7

Wikipedia: John Couch Adams

Reference article covering this claim directly

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Wikipedia: John Couch Adams. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/John_Couch_Adams

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More for · 6

Wikipedia: Urbain Le Verrier

Reference article covering this claim directly

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Wikipedia: Urbain Le Verrier. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Urbain_Le_Verrier

LibreTexts: LibreTexts: 3.09: Summary

States Adams and Le Verrier predicted Neptune's position from its perturbations of the orbit of Uranus.

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LibreTexts: LibreTexts: 3.09%3A Summary. (n.d.). LibreTexts. https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_2e_(OpenStax)/03%3A_Orbits_and_Gravity/3.09%3A_Summary

OpenStax: OpenStax Astronomy: 3.6 Gravity with More Than Two Bodies

Mentions Adams and Le Verrier independently calculated the planet's position to account for departures in Uranus's orbit.

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OpenStax: OpenStax Astronomy: 3.6 Gravity with More Than Two Bodies. (n.d.). OpenStax. https://openstax.org/books/astronomy/pages/2b0e50b7-cacc-4a71-8f1b-6b3151fa8219@

Semantic Scholar peS2o: Inverse Problem of Astrodynamics

Notes Adams and Le Verrier performed independent mathematical research on the undiscovered planet causing disturbances.

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Semantic Scholar peS2o: Inverse Problem of Astrodynamics. (n.d.). Semantic Scholar peS2o. http://www.scirp.org/journal/PaperDownload.aspx?paperID=61907

Wikipedia: Wikipedia: Neptune

States Neptune's position was mathematically predicted by Adams and Le Verrier from observations of Uranus's orbit.

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Wikipedia: Wikipedia: Neptune. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Neptune

Wikisource: Wikisource: A History of Mathematics (1893)/Recent Times/Applied Mathematics

Notes both Adams and Le Verrier shared honors for the mathematical discovery of Neptune.

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Wikisource: Wikisource: A History of Mathematics (1893)/Recent Times/Applied Mathematics. (n.d.). Wikisource. https://en.wikisource.org/wiki/A_History_of_Mathematics_(1893)/Recent_Times/Applied_Mathematics

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