👉In 1846, Neptune made history as the first planet discovered using mathematics before it was clearly observed through a telescope. Astronomers had noticed that Uranus was not moving exactly as predicted. Its unusual path suggested that the gravity of an unknown planet was influencing its orbit. Two scientists working independently—Urbain Le Verrier in France and John Couch Adams in England—calculated where this hidden planet should be. Using Le Verrier’s prediction, astronomer Johann Galle at