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Why does everything look flat even though the Earth is round?

By Kelly R. MacGregor, Professor of Geology, Macalester College

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why does everything look flat even though the Earth is round? – Zayden, age 11, Corona, California

Ever since the ancient Greeks first made observations…

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