like a black body with temperature 5800 K.  Use the Stefan-Boltzmann Law to calculate the Sun's Luminosity (which is the Sun's Surface Area times the Flux radiated per unit surface area. Use the following parameters: Sun's Radius = R = 6.96 x 1010 cm         Stefan-B

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1.  The Sun radiates energy like a black body with temperature 5800 K.  Use the Stefan-Boltzmann Law to calculate the Sun's Luminosity (which is the Sun's Surface Area times the Flux radiated per unit surface area.

Use the following parameters:

Sun's Radius = R = 6.96 x 1010 cm         Stefan-Boltzmann Const = s = 5.67 x 10-5 ergs/cm2 K4 s
Sun's Temperature = T = 5800 K           Formula for Luminosity:   L  =  4pRsT 4
 

What is the Sun's Luminosity?   __________  ergs/s

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