Flat Earth - The Ultimate Litmus Test  

           YouTube explaination.

1. The Model: Heliocentric and Geocentric

2. Horizon, Perspective and Viewable Distances

3. Sun Hot Spot on the Earth

4. Angles of Light and the Sun's Rays

5. NASA: and the Space Agencies of the World

6. The Sun and The Moon

7. Proof of the Earth's Spin

8. The Existence of Gravity

9. An Analysis of a Time Lapse Video of the Sun

10. The Astrolabe (ancient mechanical hand held device to compute sun, moon, start locations & your location, time, latitude)

The purpose of NASA is to deceive us of the known world.