Why were Newton's three laws so important to astronomy?
A) Newton's laws showed that acceleration always results from a change in velocity.
B) Newton's laws showed why objects released from rest always fall to the ground.
C) Newton's laws showed that planets can move around the Sun by themselves forever, without coming to rest.
D) Newton's laws provided a physical basis that did not conflict with the Bible, Aristotle, or Plato.

Question

Quizplus · Accepted Answer

Newton's laws, particularly the first law of motion (inertia) and the law of universal gravitation, explained how planets could continue in their orbits around the Sun without needing any external force to keep them moving, thus revolutionizing the understanding of celestial mechanics.

Why Were Newton's Three Laws So Important to Astronomy