You can only see about 3 miles if you're looking across a completely flat surface because of the curvature of the earth.
You can only see about 50 miles on a clear day from the top of the Sears Tower. If the earth was flat you'd be able to see the Rocky Mountains with a powerful telescope.
You can only see about 3 miles if you're looking across a completely flat surface because of the curvature of the earth.
You can only see about 50 miles on a clear day from the top of the Sears Tower. If the earth was flat you'd be able to see the Rocky Mountains with a powerful telescope.
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