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The Sun is an unusually variable star for its position on the main sequence , something that might explain why Intelligent life is found here, and not everywhere.
As you might know hydrogen is very common in our closest star, the Sun, which is a main sequence star.
main sequence stars
The pressure from these nuclear reactions at the star's core balances the pull of gravity, and the star is now called a main sequence star.
The lower mass limit for a main sequence star is about 0.08 that of our Sun or 80 times the mass of Jupiter.