What does a star's position in the main sequence tell you about the star?

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Mann

20 March, 11:15

What does a star's position in the main sequence tell you about the star?

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Brewster · Answer 1

Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe, including the sun, are main sequence stars. These stars can range from about a tenth of the mass of the sun to up to 200 times as massive. Stars start their lives as clouds of dust and gas.