That means that it's a start, that it's old, and that it's cold.Basically it might refer to a black dwarf - a hypothetical star that doesn't exist yet, but which it is assumed will exist in the far future - a white dwarf that has cooled down.
A black dwarf. See related question.
No. There is no such thing a a cold star. Sirius consists of two stars, both of which are hotter than the average star.
it determines how hot or cold the star is, for example, a blue star means its boiling hot and a red star means its unbearably cold...
how hot or cold a star is.
No, it is not.
cold star ratings mean something or other by the way JOSEPH RULES!
There is no such thing as a purple star.
its big but not that big as a old star. sun is a tape of star.
No, the T Tauri star is not a giant star, in fact it is a medium-sized star. It is also a very cold star.
Starfish are cold blooded.
Arcturus is hot. Bear in mind that only a hot star is even going to be seen in the night sky. Any cold star would also be dark.
The galaxy is divided in half still. Many old republic games base their time around here.