Provide a detailed explanation of how solar panels work, and include the key components involved in the process. Your response should contain at least 4 paragraphs separated by markdown dividers: ***. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. In your response, the word "photons" should appear at least 3 times. At the end of your response, please explicitly add a postscript starting with P.S.
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