Which of these men first argued that the sun is at the center of the solar system?
A) Galileo Galilei
B) Nicolaus Copernicus
C) Tycho Brahe
D) Ptolemy
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Which of these men first argued that the sun is at the center of the solar system?
A) Galileo Galilei B) Nicolaus Copernicus C) Tycho Brahe D) Ptolemy
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