What Is the Lifetime of a 10 Solar Mass Star on the Main Sequence?

Answer

As a solar mass protostar moves on to the main sequence its surface temperature increases. Its luminosity also decreases at the same time. It comes together and fuses hydrogen. When it's fused it turns into helium at in it's core.
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3.2x107 years
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The main sequence color of a 20 solar mass star is red. A main
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The main sequence lifetime is equal to. T = (10^10)1/M)5/2. where M is the mas of the star in solar masses. So the lifetime is approximately = 8.4*10^6 years.
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Longer than the current age of the universe. About 100 billion years for a 0.4 solar mass star.
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The stages of life for a low mass star in the correct order include protostar, main-sequence star, red giant, planetary nebula and white dwarf. 90% of a low-mass ...
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