Question: what are the 4 main types of stars?
Answer: Blue Stars. These types of stars are quite rare with spectral types of either O or B. ...  Yellow Dwarfs. Yellow dwarfs have a 10% prevalence, with a spectral type G. ...  Orange Dwarfs. ...  Red Dwarfs. ...  Blue Giants. ...  Blue Supergiants. ...  Red Giants. ...  Red Supergiants.