History of Astronomy Part 2: Early Measurements of the Earth

The video explores the evolution of astronomy from simple observations to mathematical calculations. It highlights key historical figures like Eratosthenes and Aristarchus, who made significant contributions to understanding Earth's shape and measuring celestial distances. The video also discusses the transition from a geocentric to a heliocentric model of the solar system.

Describe the method Aristarchus used to estimate the size of the Moon.

What was the prevailing model of the universe before the heliocentric model was accepted?