Tuesday, September 27, 2011

What is the rate at which energy is radiated from the star?

A blue supergiant star has a radius of 7.0 x 10^10 m. The spherical surface behaves as a blackbody radiator. If the surface temperature is 2.2 x 10^4 K, what is the rate at which energy is radiated from the star?|||42 w/m2
Posted by star at 4:22 AM

1 comment:

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