Earth Curve Calculator

This app calculates how much a distant object is obscured by the earth’s curvature, and makes the following assumptions:

  • the earth is a convex sphere of radius 6371 kilometres (Supposedly)?
  • light travels in straight lines

The source code and calculation method are available on  FEET TO MILES CALCULATOR








Horizonh0h1Targetd0d1Target Distance = 88888888Horizon Distance = 88888888Eye Height = 88888888Hidden Height = 88888888

Disclaimer: Why use a Sphere Calculator if you don’t believe in a Sphere? Quite simply because their own tools debunk themselves! How? By Seeing objects further away than their own calculations, tell us we shouldn’t see? This is NOT Refraction, as refraction bends light down, not up. Put a pencil in a glass of water? This is NOT a Mirage as it would be inverted! This is Not a Superior Mirage, as this would be even higher in the air and would eventuallydissipate, the closer to it you get. Rob Skiba did the Test.