a star ten times the mass of our Sun.
A star ten times as big as the sun will last for just 20 million years just on main sequence, compared to the sun's about 10 billion years.When compared to the known universe age at 13.8 million years, the red dwarf, which has half the mass of the sun, has a lifespan of 80 or 100 billion years.
Stars with very low masses called red dwarfs.They therefore have low fusion rates, low pressures, and consequently low temperatures.
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