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Outline three proofs that the earth is spherical

Outline three proofs that the earth is spherical

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gideon
- Sailing/flying in one direction brings one at the starting point i.e. circumnavigation
- Ship approaching a port has its mast/smoke seen first
- Sunrise appears first in the east then to the west
- Lunar eclipse has a circular shadow of the earth casted on the moon
- Logic that all planets are spherical so is the earth as a planet
- Satellite photographs reveals the earth as spherical
gideon1 answered the question on September 27, 2017 at 08:40

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