The heliocentric model, which places the sun at the center of the solar system with planets orbiting around it, originated with the ancient Greek philosopher Aristarchus of Samos. However, it was Nicolaus Copernicus in the 16th century who developed and popularized this model in his work "De revolutionibus orbium coelestium." Copernicus's ideas laid the groundwork for modern astronomy and ultimately led to the scientific revolution.
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