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Hace 23 horas · Calculations by John Couch Adams and Urbain Le Verrier both predicted the general position of the planet. In 1846, Le Verrier sent his position to Johann Gottfried Galle, asking him to verify it. The same night, Galle spotted Neptune near the position Le Verrier had predicted. Not every comparison was successful.
Hace 23 horas · 1846 – Urbain Le Verrier and John Couch Adams, studying Uranus' orbit, independently prove that another, farther planet must exist. Neptune was found at the predicted moment and position. 1855 – Le Verrier observes a 35 arcsecond per century excess precession of Mercury's orbit and
