In 1846, Urbain Le Verrier predicted the existence of Neptune to explain why Newton's equations gave the wrong description of the motion of Uranus and Mercury. When he predicted the location in the sky, Neptune was found with 1 hour of searching. pic.twitter.com/HlTe9iF0xF
In 1766, Johann Bode discovered an easy way to memorize the approximate mean distances of many planets from the Sun in Astronomical Units pic.twitter.com/sSJJNfX3Az
