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Continue to ChatHow do we know that the Earth is round? https://www.urban-astronomer.com/astronomy/astronomy-101/the-basics/how-do-we-know-that-the-earth-is-round/
How do we know that the Earth is round? https://www.urban-astronomer.com/astronomy/astronomy-101/the-basics/how-do-we-know-that-the-earth-is-round/