Earth Curve Calculato https://dizzib.github.io/earth/curve-calc/?d0=12&h0=1&unit=metric Flatearth No curvature 7 miles (12.2 km) https://www.youtube....
Sun, earth, moon animation https://www.youtube.com/watch?v=_QcgDiF1a14 The helical model - our solar system is a vortex https://www.youtube.com/watch?v=0jHsq...