Nuclear fusion stops and the star is no longer capable of transformming LIGHTER elements into HEAVIER. elements. At this point GRAVITY looses out and PRESSURE wins out thereby causing the supernova explosion. But bear in mind, there is a HUGE difference between an ordinary star going NOVA and a SUPERNOVA.
Supernova
No. An asteroid is a piece of rock and/or metal in in outer space. A supernova is an explosion that occurs when a large star dies or when gas accumulates around a white dwarf.
well what you gotta do is go home a smoke weed
It is iron.
No, a supernova is an explosion of a star. What left of a supernova are celestial bodies.
It is yes
No, not a supernova.
A supernova.
supernova
it is a steller explosion
Supernova
SuperNova