What prompted astronomers to search for Neptune?
A) Uranus was not following the precise orbit predicted by Newtonian physics.
B) An explosive impact on Neptune from a colliding planetesimal caught the attention of astronomers.
C) Bode's rule predicted a planet at the location of Neptune.
D) Nothing prompted astronomers to look for Neptune, it was found by accident.

Question

Quizplus · Accepted Answer

Astronomers noticed that Uranus was not following the orbit predicted by Newtonian physics, suggesting the presence of another planet affecting its orbit, which led to the search for Neptune.

What Prompted Astronomers to Search for Neptune