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The Shape of the Earth is a Sphere
The Bible states that the Earth has a spherical shape throughout multiple verse. A literal translation of Job 26:10 is “He described a circle upon the face of the waters, until the day and night come to an end.” A spherical earth is also described in Isaiah 40:21-22—“the circle of the Earth.”
[Note, the Biblical Hebrew word for “circle” (חוג—chuwg) can also mean “round” or “sphere.”]
The implication of a round Earth is seen in the book of Luke, where Jesus described his return, Luke 17:31. Jesus said, “In that day,” then in verse 34, “In that night.” This is an allusion to light on one side of the globe and darkness on the other simultaneously. [JSM]
Oldest Record of Earths Shape
The Hebrew record is the oldest record of the Earth being Spherical, because Job is one of the oldest books in the Bible. Historians generally [wrongly] credit the Greeks with being the first to suggest a spherical earth. In the sixth century B.C., Pythagoras suggested a spherical Earth. [JSM]
Eratosthenes of Alexandria (circa 276 to 194 or 192 B.C.) calculated the circumference of the Earth “within 50 miles of the present estimate.” [Encyclopedia Brittanica]
He was able to determine this measure by observing that a stick placed in one part of the country at the same time a stick placed at a different part of the country has a different angle and length. This would suggest either a curvature in the earth or in the light coming from the heavens above. Given the measurements from the two sticks he calculated a curvature in the earth that was almost exact to the measured circumference of the earth measured today.