An Attractive Proposition

Supernovas:
http://en.wikipedia.org/wiki/Supernova

Quasars:
http://en.wikipedia.org/wiki/Quasar

And these *descriptions* explain what? Here again is the question yer
not 'getting':

What is the _acting mechanism of causation_ that literally POWERS the
stellar collapse that drives the fusion that rebounds as a supernova (or
occasional hypernova)? What _causal mechanism_ is capable of crushing a
massive star down to a BH, and on a far more energetic scale, also
easily POWERS the *sustained* process of a quasar?

This is the 'Litmus Test', the gold standard of any viable theory of the
_cause_ of gravitation.

So how 'bout a mutiple choice of contenders--

1.) Geomtery
2.) Equations
3.) "Gravitons" that magically "reach up an pull stuff down"
4.) Fictitous force
5.) A hyperpressurized state *of the spatial medium* that exceeds
degeneracy pressure of the atomic nucleus.
6. Other. Fill in the blank_______ .