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Who said that earth rotated about its own tilted axis?

User Maxbfuer
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2 Answers

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oenopides said it and discovered it
User Noobar
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4 votes

Oenopides was the first to discover and measure the tilt.

He came up with about 24 degrees around 480BCe using geometry and measurements of sun angles at several times of year.

Hope this helps
User Nucatus
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