An implication of the hypothesis leading to the discovery of Neptune was:
A) Examination of the orbit of Neptune would reveal the existence of a ninth planet.
B) A powerful telescope could detect a previously unseen satellite of Uranus.
C) The gravitational field of Uranus caused perturbations in the orbit of Saturn.
D) Directing a telescope to a particular region of the sky would reveal a new planet.
E) The combined mass of Neptune and Uranus was less than the mass of Saturn.

Question

Quizplus · Accepted Answer

The discovery of Neptune was based on the observation that the orbit of Uranus was being perturbed by the gravity of an unknown planet, leading astronomers to predict the position of Neptune in the sky. Directing a telescope to this predicted region led to the discovery of Neptune.

An Implication of the Hypothesis Leading to the Discovery of Neptune