He suggested that his student Le Verrier investigate irregularities in Uranus's orbit and, after Neptune was discovered, participated in the argument regarding naming the planet and disputed with Adams regarding priority.
Siya iminungkahi na kanyang estudyante Le Verrier imbestigahan irregularities sa Urano's orbita at, matapos ang Neptune ay natuklasan, lumahok sa argument tungkol sa pagbibigay ng planeta at ang mga pinagtatalunang sa Adams tungkol sa prayoridad.