__________ hypothesized that planetary motions could be explained by a force arising from the attraction between the mass of the planet and Sun that decreased with the square of the distance between them.
A) Johannes Kepler
B) Isaac Newton
C) Tycho Brahe
D) Nicholas Copernicus

Question

Quizplus · Accepted Answer

This is a description of Newton's Law of Universal Gravitation. Kepler discovered the laws of planetary motion but did not propose a force to explain them. Brahe was an astronomer who collected data on planetary motion but did not propose a force to explain it. Copernicus proposed a heliocentric model of the solar system but did not propose a force to explain planetary motion.

__________ Hypothesized That Planetary Motions Could Be Explained by a Force