According to Einstein’s General Theory of Relativity, gravity is not a force. There are no gravitational fields. Gravity … “is kind of an illusion.” (Derek Muller) See the educational and entertaining video, below.
Central to these pages is a simple idea: the visible universe is taking place at the speed of light. Gravity is not a force—it’s the drag of the accelerating universe. Gravity is the inverse of the speed of light.
“Matter tells spacetime how to curve. Spacetime tells matter how to move.” —John Wheeler