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What fraction of the energy emitted from the sun is absorbed by the Earth? Treat the sun like a light bulb 93 million miles away.

What fraction of the energy emitted from the sun is absorbed by the Earth? Treat the sun like a light bulb 93 million miles away. Also, assume the Earth only absorbs the energy associated with an area of approximately 50 million square miles. (This is roughly the area of a disc with the same radius as the Earth.)

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