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Sunlight reaching the earth

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How long does it take for sunlight to reach the earth?

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The expert determines how long it takes for sunlight to reach the earth. The solution is given in 100-150 words and an equation explanation.

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According to various sources (http://tinyurl.com/36neq), the average distance from the sun to the earth is 149,597,870 km. The maximum is 152,104,980 km and the minimum is ...

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