Earth was once the universe's fixed center

History
Earth was once the universe's fixed center

The Ptolemaic system, dominant for over 1,400 years, placed Earth at the universe's center, profoundly influencing early science and laying groundwork for future astronomical discoveries.

For over 1,400 years, the Ptolemaic system, developed around 150 AD, placed Earth firmly at the center of the universe. This geocentric model, detailed in Ptolemy's Almagest, proposed that the Sun, Moon, planets, and stars all revolved around our planet in complex patterns, using smaller orbits called epicycles to explain their movements.

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