Early astronomers believed that Earth did not move because they saw no ____, the apparent motion of an object because of the motion of the observer.

Question

Quizplus · Accepted Answer

Early astronomers did not observe parallax, which is the apparent motion of an object caused by the motion of the observer. This lack of observable parallax contributed to the belief that Earth was stationary at the center of the universe.

Early Astronomers Believed That Earth Did Not Move Because They