How Does a Yellow Star (like the Sun) Emit White Light?

How does a yellow star (like the Sun) emit white light?

The Sun's surface temperature has a range of visible light, because of it's temperature it looks yellow but in reality it's white. Same goes for any other star, if it was cooler then it would emit red light, and if it was hotter it would even blue light

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How does cool white light differ from soft white light?

The three primary types of color temperature for light bulbs are:Soft White (2700K - 3000K), provide a very soft, yellowish light.Bright White/Cool White (3500K - 4100K), provide a whiter light than incandescent or soft white light bulbs, in the low range of blue color (similar to ice).Daylight (5000K - 6500K), provide a bluish light that resembles noon on a cloudless day. In light bulbs with the same quantity of lumens, the ones with higher color temperature will seem brighter.How does cool white light differ from soft white light?

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Christians, please give me a proper scientific answer?

*sigh* Kira just quit, this pathetic Christians will never understand, they went to school but never listened to their teachers.From their answers I can see that they do not know how a rainbow can exist so easily, a rainbow can exist in the streets you know, when a car slips a little drop of gas you can see that when there's a little water a refracted light appears(rainbow). In making bubbles you can also see a rainbow.A rainbow is not only a semicircle shape in the sky that has different colors that only appears after raining, you could also see them in the streets, it is just light that passes through a prism and causes a spectrum(rainbow). When a light strikes a transparent surface at an angle, its speed reduces and the rays of light bend slightly. The "white" light we see is a mixture of color: red,orange,yellow,blue,indigo and violet;each of this colors are bent in a different amount.So when a beam of white light passes through a glass prism, the light coming out the other side consists of bands of these colors. You can often see this of bevelled edges of a mirror. This process or refraction, or bending, of light also takes place in raindrops when sunlight strikes them, which is why you see the colors of the spectrum in the rainbow. You silly Christians with your stupid bible,free will,rosary and your so called Jesus savior. I pity you people. Hope that helps.

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is a blacklight what is used at partys that makes people who wear white stand out?

You can buy one at most home improvement stores like Lowe's and Home Depot. An 18 inch fixture with the tube is about $20. What really makes white clothes stand out the most is that many clothes washing detergents have " optical brighteners " ( read the label ) Toothpaste does too. Different dyes also glow under UV lights. Sometimes a different color than what you see in white light. When I was a kid I had a collection of rocks that all glowed in blacklight. It was pretty cool.

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Can white light have two spectral peaks?

The response (absorbance) of our optical sensory system is given by the following: (image from Wikipedia - Photoreceptor cell - Humans)The spectrum for mercury tube light is given by: (image from Wikimedia - Fluorescent lighting spectra )The spectrum for white LED is given by: (image from Wikipedia - Light-emitting diode - Phosphor-based LED)What we finally see is a weighted spectra, weighed by the sensitivity of the eye for each colour as seen in the first graph. This is vastly different for the two white light sources. For example, in the tube light spectrum there is a contribution from the $0-400,mathrmnm$ range where as there is none in that of LED. I think in order to make any progress on this we first need to know what all weighted spectra a white light can have. But then it becomes a question about perception. But once we have that, we can reverse engineer the all possible light spectrum that gives us white light and see if any one of them have two peaks.

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Why is light from the sun composed of many colors when it's not white light?

But sunlight IS white light???? ----Sunlight peaks in the yellow part of the spectrum, but has components all throughout, so we call it white. Shine some sunlight on a white screen so you can see the color of the sunlight. (Use a lens or something). Then put that next to a lemon. The lemon is yellow. The sunlight is a very slightly yellowish white.

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