Explain how the greeks knew that the earth is spherical?
Question: Explain how the greeks knew that the earth is spherical?
The ancient Greeks believed that the Earth was spherical due to several observations, including the fact that during lunar eclipses, the Earth's shadow on the Moon was curved. Additionally, Greek philosophers such as Pythagoras and Aristotle believed that the Earth was spherical based on their observations of the stars and the way they appeared to move across the sky. They also noted that the Earth cast a curved shadow on the Moon during lunar eclipses. Finally, Greek navigators observed that ships disappearing over the horizon appeared to sink into the sea, suggesting that the Earth's surface was curved.
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