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Nuclear fusion of hydrogen into helium

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The Sun is powered by the nuclear fusion of hydrogen into helium. Given that the radius of the sun is 695,000 km and its mass is 1.989x1030 kg, and its total luminosity is 3.9x1026 watts,

Given that the mass of 4 hydrogen atoms is 4.03130 AMU, and the mass of one helium atom is 4.00268 AMU, estimate how long the sun might be expected to shine by assuming that it started out being composed initially of 100% hydrogen atoms. (Hint - use E=mc2 to calculate the rate of hydrogen consumption based on your result from Part a.)

Reference no: EM133414947

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