Physics, 12.03.2020 02:41, amandathompson1
Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.4 MW. What is the intensity of the transmitted signal reaching a nearby star that is 22 ly away. (An alien civilization at that distance might be able to watch X Files.) A light-year (ly) is the distance light travels in one year.
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Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.4...
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