inner and outer balance makes it.
They collided and stuck together.
Hydrogen and Helium
it is not the it is a stellar nebula considering that there are multiple stellar nebulas in the universe. what a steller nebula is though is dust and such maing a nebula then when the nebula is strong enough to make a star is creates a prostar, then it is either a massive star or a non massive star. soon they will either turn into a super giant or a red giant. then either the star will explode or simply poof then either it is a white dwarf a neutron star or a black hole. the end
Stars form within a nebula when gravity causes gas and dust to come together. Once a star is formed, it begins to shine and eventually exits the nebula. This process can take thousands to millions of years depending on the size and type of the star.
That is called an accretion disk or a proto-Solar system.
A nucleus is stable if the electrostatic and strong nuclear forces balance out.
Planets.
After a planetary nebula the oxygen in the middle will make it turn into a blackhole or neutron star.
The gas molecules interact with one another
No
They collided and stuck together.
Hydrogen and Helium
Go to stable at the bottom of the page and click on make your own stable.
Two hydrogen make Oxygen stable.
Yes, but it can also make a black hole or a white dwarf.
Neon has completely filled orbitals. hence it is stable.
No, the star usually will become a white dwarf or explode .