Eratosthenes — "The Sun is so far away that its rays are parallel when they reach Earth."
The Sun is so far away that its rays are parallel when they reach Earth.
The Sun is so far away that its rays are parallel when they reach Earth.
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"The library at Alexandria is the greatest treasure in the world."
"The inhabited world is larger than previously thought."
"One must rely on observation and reason, not myth."
"The world is not a perfect sphere, but an oblate spheroid."
"The Nile floods annually because of summer rains in Ethiopia."
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