The sun's classification is a type GV (yellow dwarf) star. For more about what this means, see
http://en.wikipedia.org/wiki/Yellow_dwarf
The sun's classification has nothing to do with its age. It is based upon its spectrum, surface temperature and inherent brightness.
Doing review and can't find answer in notes:
sun is approximately 4.5 billion years old what is it's classification?
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1 answer