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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*...

Distance to the Horizon - Rohan


The radius of the Earth is R, and the observer's eye is a height h above the point ... If h is in meters, that makes the distance to the geometric horizon 3.57 km ... because the relative curvature of the ray and the Earth's surface is all that matters .

Hidden by the curvature of the Earth - Math Central


In an earlier question on the curvature of the Earth Harley to showed that the earth ... this distance to his horizon, where the line of sight is tangent to the earth's  ...

Visual Line of Sight Calculations dependent on Earth's Curvature


Using the Pythagorean theorem, that calculates to an average curvature of 7.98 inches per mile or approximately 8 inches per mile. The distance to the horizon ...

When I stand at the water's edge and look out over the ocean, how ...


... large body of water is not actually flat at all -- it follows the curvature of the Earth. ... where "height above surface" is in feet and "distance to horizon" is in miles.

How far away is the horizon? - Bad Astronomy : Bad Astronomy


Jan 15, 2009 ... but the actual distance to the horizon is the arc length of the earth surface to the point, ..... Diminished of course by the curvature of the earth.

How Far Away is the Horizon? - LiveScience


Sep 12, 2012 ... The distance to the horizon depends on many variables including your height. ... of the horizon – i.e. the farthest point the eye can see before Earth curves ... 1840 drop-curve and slant in every direction from my vantage point?

3 Ways to Calculate the Distance to the Horizon - wikiHow


The distance calculated is a straight line from your eyes to the horizon. ... light is able to slightly follow the curvature of the earth, so that the optical horizon is a bit  ...

Earth Curvature for Highpointers


The geometric apparatus for computing horizon distance may equally be used ... The curvature of arcs along Earth's surface is considerably more involved upon ...

How to Determine the Distance to the Horizon - For Dummies


So if you're 5'6" (5.5 feet) tall, the distance to the horizon is only about 2.75 miles! ... a 1-foot-tall bulge in the middle of the lake due to the curvature of the Earth.

Popular Q&A
Q: What's the distance before the curvature of the earth.....?
A: If I understand your question correctly, you are asking how the absolute distance between two points on a sphere compare to the distance restricted to the spher... Read More »
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Q: At what distance must a sniper consider earth's curvature?
A: Your sniper is quite a guy.I think the earths curvature ( for a 6ft man) would be about 15 miles. He might be better off with some other type of projectile than... Read More »
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Q: What distance do lose sight of an object due to the curvature of ...
A: The horizon limits you to 25 miles give Read More »
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Q: What is the farthest distance you can see with the curvature of t...
A: On a clear day, on flat ground, you can Read More »
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Q: How far can we see into the horizon before the earth's curvature ...
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