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Web Results

en.wikipedia.org/wiki/Horizon

... to some extent, to go around the

dizzib.github.io/earth/curve-calc/

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

Jan 15, 2009

www.smokescreendesign.com/curvature-of-the-earth.html

This image shows the observer's height and their

www.metabunk.org/earth-curvature-refraction-experiments-debunking-flat-concave-earth.t6042/

Apr 13, 2015

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

www.quora.com/How-many-feet-per-mile-does-the-earth-curve-down-from-where-you-stand

How far do I have to be from the

www.cohp.org/local_curvature.html

The geometric apparatus for computing

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

Have you ever watched the sun disappear into the

www.astro.princeton.edu/~dns/teachersguide/MeasECAct.html

Activity: Measuring the

More Info

mathcentral.uregina.ca

What would the

www.davidsenesac.com

Using the Pythagorean theorem, that calculates to an average

science.howstuffworks.com

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