Answer:-
The heliocentric theory is the idea that the Sun, not the Earth, is at the center of the solar system. Proposed by Nicolaus Copernicus in the 16th century, this model challenged the long-accepted geocentric theory, which placed Earth at the center. According to the heliocentric theory, planets, including Earth, orbit the Sun. This idea was later supported by astronomers like Galileo Galilei and Johannes Kepler, who provided observational and mathematical proof. The heliocentric model revolutionized our understanding of space, laying the foundation for modern astronomy and changing how we see our place in the universe.
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