3. The Sun Revolves Around the Earth
For much of history, humans accepted geocentrism: the notion that the Earth stood at the center of the universe, with the Sun and planets circling around it. This belief, championed by the ancient astronomer Ptolemy and supported by the Church, shaped scientific thought for centuries. It wasn’t until the revolutionary work of Copernicus and later Galileo that the heliocentric model—placing the Sun at the center—gained traction, forever changing our understanding of the cosmos. Explore more at NASA
