What was Tycho Brahe's conclusion regarding his parallax measurements of the stars?
A) The parallax motion occurred too quickly for Tycho to detect with the equipment available to him at the time. Thus, he concluded that Earth is motionless.
B) The parallax motion was too small for Tycho to detect with the equipment available to him at the time. Thus, he concluded that Earth is motionless.
C) Tycho was able to measure parallax motion for the stars and thus concluded that the solar system is geocentric.
D) Tycho was able to measure parallax motion for the stars and thus concluded that the solar system is heliocentric.

Question

Quizplus · Accepted Answer

Tycho Brahe concluded that the parallax motion was too small for him to detect with his equipment, leading him to believe that Earth is motionless. This was because the actual distances to the stars were much greater than he had anticipated, making the parallax shifts too slight to observe with the technology of his time.

What Was Tycho Brahe's Conclusion Regarding His Parallax Measurements of the Stars