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Solar System and Planetary Science Quiz
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What scientist first proposed that the Sun is the center of the solar system?
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A
Copernicus
💡 Explanation:
Nicolaus Copernicus first proposed the heliocentric model (Sun-centered) in the 16th century. Ptolemy supported the geocentric model, while Kepler and Tycho Brahe came later and built upon Copernicus's work.