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

question 150

Multiple Choice

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.

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