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Web Results

en.wikipedia.org/wiki/Horizon

The **curvature of** the **horizon** is easily seen in this photograph, taken ... to an
altitude of approximately 2640 km above the **Earth's** surface. ... + **distance**^2)-
radius, equivalent to **distance**^2/R*...

www-rohan.sdsu.edu/~aty/explain/atmos_refr/horizon.html

The radius of the

mathcentral.uregina.ca/QQ/database/QQ.09.02/shirley3.html

In an earlier question on the

www.davidsenesac.com/Information/line_of_sight.html

Using the Pythagorean theorem, that calculates to an average

science.howstuffworks.com/question198.htm

... large body of water is not actually flat at all -- it follows the

blogs.discovermagazine.com/badastronomy/2009/01/15/how-far-away-is-the-horizon/

Jan 15, 2009

www.livescience.com/32111-how-far-away-is-the-horizon.html

Sep 12, 2012

www.wikihow.com/Calculate-the-Distance-to-the-Horizon

The

www.cohp.org/local_curvature.html

The geometric apparatus for computing

www.dummies.com/how-to/content/how-to-determine-the-distance-to-the-horizon.html

So if you're 5'6" (5.5 feet) tall, the

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