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   ocr: MAIN SEQUENCE STARS I HE MAIN SEQUENCE is the BLUE STAR the central and name given to 63,000°F (35,000°C) most settled period ofa star's life. A star's temperature, color, and brightness during this WHITE STAR period depend on its mass. The greater its mass, the brighter a star 18,000°F shines. Most stars, including our sun, (10,000°C) go through a long main sequence period. The periodends YELLOW STAR when a star' S hydrogen 10,800°F fuel has been used up. Star colors (6,000°C) All these star types RED DWARF are in the mau sequenice period of 5,400°F (3,000°C) their lives. Our. sun isay yellow ...