That depends on the mass of the proto-star.
Astronomer's call it a super giant star
a superstar
Yes. Betelgeuse is a kind of star called a red supergiant.
The Sun is a yellow dwarf star.
No kind of star.
A star
A star
star
It is a binary star
the oldest star is a red colored star
Negative neutron star
a meteor is NOT a star it is a bit of rock
The spectrum is a kind of analysis of the light emitted by a star.
That depends on the mass of the proto-star.
Astronomer's call it a super giant star
A degenerate star or stellar remnant.