it starts when the star runs out of its supply of gas (i cant remember the name) then the star collapses on its self and then....well blows up
It starts out that way, by condensing from an especially large nebula.
It is yes
it is Supernova
No, not a supernova.
supernova
it is a steller explosion
Supernova
A supernova.
SuperNova
The energy output of a supernova explosion is equivalent to the energy produced by the sun over its entire lifetime.
No. A supernova is a massive explosion, usually from a dying supermassive star.
supernova