Kepler’s Laws

Kepler's laws don't prove heliocentricity, they prove that the sun is at one focus of elliptical planetary orbits. The Earth is the other focus. Kepler couldn't find the second focus because he was standing on it.

Effect and Cause

Why are planetary orbits elliptical? We've considered this as an example of how to understand frame of reference, but Newton supposedly solved this problem mathematically in Principia Mathematica:

Geocentrism, Geocentricity and Flat Earth

Let's start by getting some definitions right, specifically, let's really pin down where I stand as compared to others that are similar, but not quite. Geocentrism, for instance, is an attempt to be faithful to Biblical teachings while missing the mark on actually understanding anything. Geocentricity, the belief of the Geocentrism movement, as advocated by …