Physics -- Circular Motion & Gravitation Study Guide

a. Ptolemaic theory with Copernican theory. b. Ptolemaic theory with Copernicus’s data. c. Copernican theory with Tycho Brahe’s data. d. Copernican theory with his own data. ____ 17. Until the middle of the 16th century, most people believed ____ was at the center of the universe. a. Earth c. the sun b. the moon d. a black hole ____ 18. ................
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