The Sun has a mass of 1.989 × 10^30 [kg], but only 10% of that mass is available for hydrogen fusion in the core. Show that the life of the Sun, in main sequence, is 10,000 millions of years
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The Sun has a mass of 1.989 × 10^30 [kg], but only 10% of that mass is available for hydrogen fusion in the core. Show that the life of the Sun, in main sequence, is 10,000 millions of years.
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