# What color is the sun?

Yes this is a serious question. :P

• Red
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• Yellow
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• blue
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• white
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• orange
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• green
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• violet
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• It's classified as a G star (yellowish) on the HR diagram, but it's white. Just look at cloud tops at noon when there's very little scattering.

Our sun emits all kinds of electromagnetic radiation, but in the visible spectrum (light) it actually emits more green than any of the other colors.

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• "More" as measured how?

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• Hm.
I'm guessing you could draw sunlight as some sort of curve, with nanometers on the x axis and intensity on the y axis, and the single highest point would end up somewhere in the "green" range.
... or there's more area under the curve for "green" than for other colors.

see this is why I wanted to know #nurdgurl #itshopeless

• @redeyemindtricks
I was thinking they might measure the intensity of each wavelength by splitting sunlight up with a prism and have a photometer waiting at various intervals on the other end.

Or perhaps they calculate the peak using Wien's law.