Question: what are the different types of stars and their characteristics?
Answer: Yellow Dwarf Stars. Lifetime: 4 - 17 billion years. ...  Orange Dwarf Stars. Lifetime: 17 - 73 billion years. ...  Red Dwarf Stars. Lifetime: 73 - 5500 billion years. ...  Brown Dwarfs. Lifetime: unknown (long) ...  Blue Giant Stars. Lifetime: 3 - 4,000 million years. ...  Red Giant Stars. ...  Red Supergiant Stars. ...  White Dwarfs.