Using the approximation P = GM2 S /R 4 S , what is the pressure at the center of the Sun? Check to make sure that the units of your answer is gm/(cm· s 2 ). [This unit is called the barye.] The actual Sun’s internal pressure is only 19 times greater than this approximation. Correcting your answer by this factor of 19, how does the pressure at the center of the Sun compare with the Earth’s atmospheric pressure at sea level, 1.01 × 106 barye?
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