Gravity and Black Holes

We are approaching the last possible phase of stellar evolution and the last step in fighting gravity wars

Before we get to that last step, need to look at gravity a little more closely.

The Newtonian view of gravity was that all masses exert an attractive force on all other masses and the strength of the force decreases with with the inverse square of the distance between objects.

Is this a good description of gravity? For relatively weak gravitational fields it is marvelously good - it explains almost every motion of the planets and moons of planets PERFECTLY and its good enough to send probes to Jupiter and beyond with extraordinary precision.

But, it does not explain everything and there are many alternative theories of gravity. To understand the mostly widely accepted one, we start with Einstein's Special Theory of Relativity.

Special Relativity