How far is it from the sea to the horizon?

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I wonder how much you can roughly do.

808 2 7 years ago

pu1. if I were to calculate simply Assuming that the Earth's radius is 6370km (=63700m) and the eye level of a person is 170cm (=1.7m), it will be (6370000+1.7)^2 - 6370000^2)^(1/2) = 4653.82m. So it's about 4.65 km

2017-12-23

pu2. It's totally scientific lol Thank you for letting me know!

2017-12-23

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