Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. For Debating "Flat Earthers"
    1. Simulate Low-Altitude Photo of Horizon of Sphere
    2. Curvature of Earth's Sea-Level Horizon, to Scale
    3. See how horizon varies with viewer's altitude
    4. Formula for "Obstructed Height" on a Sphere

For Debating "Flat Earthers"

Author:JimSmithInChiapas
Topic:Trigonometry
The growth of the "Flat Earth" movement is a troubling development. The resources in this book will help you to refute their claims that involve (or ignore!) geometry.

  • Simulate Low-Altitude Photo of Horizon of Sphere

  • Curvature of Earth's Sea-Level Horizon, to Scale

  • See how horizon varies with viewer's altitude

  • Formula for "Obstructed Height" on a Sphere

Next
Simulate Low-Altitude Photo of Horizon of Sphere

New Resources

  • Area Between Two Curves
  • 函數的奇偶性
  • Select an object for a time to start a command. Light
  • From Polar to Cartesian Coordinates
  • seo tool

Discover Resources

  • transformations
  • Clock Face
  • Phase Modulation
  • Level 3 project
  • G-SRT.A2 (6)Are two triangles similar using transformations?
  • MODUL 14-2__JUMINI_MTsN 5 BOJONEGORO

Discover Topics

  • Solids or 3D Shapes
  • Vectors 2D (Two-Dimensional)
  • Differential Equation
  • Power Functions
  • Probability
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®