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Production of Emission Lines of Iron in the Sun The visible Emission Spectrum of Iron contains around two hundred emission lines from violet to red which represent the large number of Electron energy losses when Electrons drop from a higher Quantum Energy Level to a lower Quantum Energy Level A Neutral 56Fe atom has an Electron Configuration of 2, 8, 14, ...

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The metal content of the Solar system is completely dominated by the Sun. The Sun contains $\sim1\%$ of 'metals' (in astronomical language anything but hydrogen and helium is a 'metal'), but all the other bodies of the Solar system combined have less mass than that. So even if they were only made of metals (but the outer planets are mostly made of H and He) ...

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The metals that are forming in the sun come from nuclear fusion. Everything that now exists in the sun's body came from hydrogen, which due to high temperatures is being fused into helium and helium to lithium and so on. Once hydrogen is over, that means the start of the sun's death, where the sun will shrink (meaning temperature increase) and will start ...

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Not exactly. During either of the equinoxes there is a moment when the line between center of earth and the sun aligns with the equator (as opposed to just crossing it twice daily). This doesn't coincide with prime meridian in any way though; it may happen at any meridian whatsoever that happens to coincide with the line. Of course if it happens the sun ...

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