original: In 1843, John Couch Adams calculated the orbit of a hypothesized eighth planet that would account for Uranus's motion.
simplifications: John Couch Adams calculated the orbit of a hypothesized eighth planet that would explain Uranus's motion. In 1843, John Couch Adams calculated the orbit of a possible eighth planet that would explain Uranus's motion. John Couch Adams measured the possible orbit of an eighth planet that would account for Uranus's motion. n 1843, John Couch Adams calculated the orbit of a hypothesized eighth planet. He believed it accounted for Uranus's motion. In 1843, John Couch Adams calculated the orbit of a possible eighth planet that would explain Uranus's motion. In 1843, John Couch Adams calculated the orbit of a hypothesized eighth planet. It would explain Uranus's motion. John Couch Adams calculated the orbit of a possible eighth planet that would explain Uranus's motion. John Couch Adams calculated the orbit of a hypothesized eighth planet in 1843. This orbit would account for Uranus's motion. John Couch Adams calculated the orbit of a then  theorized eighth planet in 1843. This 8th planet explained Uranus's motion. John Couch Adams in 1843 calculated the orbit of an observed eighth planet which would account for the motion of Uranus.