Multiple choice general knowledge science & technology

What scientist first proposed that the Sun is the center of the solar system?

  1. Copernicus

  2. Ptolemy

  3. Kepler

  4. Tycho Brahe
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A Correct answer
Explanation

Nicolaus Copernicus formulated the first comprehensive heliocentric model in his 1543 work 'De revolutionibus orbium coelestium'. While Aristarchus of Samos had proposed heliocentrism earlier, Copernicus developed the first complete mathematical model. Ptolemy and Tycho supported geocentrism, while Kepler refined Copernicus's work.

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