The sun is in the main sequence of the HR diagram with 90% of other stars. It is also the same size and color as other stars, and is middle aged.
Yes.Sun is just the biggest star we known.
We just started learning this at school....there is alot of steps to it. The protostar starts in the nebula. Here is a few:Do you mean like how does a low/medium mass protostar form to a low/medium...
Yes, from the remains of a supernova and from the outer layers of gas shed through a black dwarf.
The Sun is a G-type star. There are millions of them throughout our galaxy alone.