What was the conclusion of Tycho Brahe about the nature of the solar system?
A) Tycho observed the phases of Venus and thus concluded that the solar system is heliocentric.
B) Tycho's observation of the Jovian system (Jupiter and its four large moons) convinced him that the solar system is heliocentric.
C) Tycho's failure to detect parallax motion for the stars convinced him that the solar system is geocentric.
D) Tycho's observations of the Sun convinced him that it is so large it must be the center of the solar system.

Question

Quizplus · Accepted Answer

Tycho Brahe's inability to observe stellar parallax led him to conclude that if the Earth were moving around the Sun, then the apparent positions of the stars should change over the course of the year due to parallax. Since he did not observe this effect, he incorrectly concluded that the Earth must not be moving, supporting a geocentric model of the solar system.

What Was the Conclusion of Tycho Brahe About the Nature