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    Radiation: The rate of energy radiated.

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    A certain star is 15.5 million light-years away from Earth. The intensity of the light that reaches Earth from that star is 6.4e-21 W/m2. At what rate does this distant star radiate electromagnetic energy?

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    https://brainmass.com/physics/stars/radiation-the-rate-of-energy-radiated-313098

    Solution Summary

    The intensity of a radiation of a star is given, the power radiated by the star is calculated.

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