Who discovered the outer planets? How were they discovered?

1 Answer

William Hershel was first to find the planet Uranus by using a telescope Neptune's position was calculated by two persons John couch Adams and Urbain le verirer...John Galle of Uk found it after using hte data given by two.

Explanation:

Uranus found by sir William Herschel
Neptune found first theoretically by John Couch Adams and Urbain Le verier.
Later John Galle found it in position as calculated by the two..