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Q&A How would early astronomers prove the existence of a spherical firmanent around the Earth?

Someone made the Earth. They placed man on the surface and gave them plants, animals, the waters, and the mountains to make their life compete. The Earth exists within a spherical firmament upon ...

1 answer  ·  posted 7y ago by System‭  ·  last activity 7y ago by System‭

Question earth-like astronomy earth history