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Washingtonn
en respuesta a: trickyK3C2L

The sun rays are essentially parallel everywhere the sun shines on the earth.

Check your calculations for what the drop over 2 miles is if the earth is a globe.

Check out this link which showing that the test Eratosthenes method does in fact work down under:

https://www.researchgate.net/publication/272755423_Modern_replication_of_Eratosthenes'_measurement_o...

Save yourself some money and time  - abandon the fishing line test just go to the coast and watch as ships sailing away disappear below the horizon line -they aren't sinking nor falling off the edge of the earth.