What color is the sun?

Answer 1

Yellow...

Answer 2

your question is not at all trivial... it touches on a basic principle that of finding the radiation peak of a Planck blackbody curve... so, let's run the numbers...we start by considering the Sun a 5780 Kelvin thermal blackbody...from Wien's Law, we compute:


Lambda (peak) = A / Teq

..where A is Wien's Constant, 2.898 x 10-3 meters times Kelvins..solving for peak wavelength:


Lambda (peak) = (2.898 x 10-3 m . K) / (5780 K)

note that the Kelvins in the numerator cancels the Kelvins in the denominator, so wavelength thus comes out simply in meters..solving the above equation, we find that the peak wavelength of the Sun's thermal emission is on the order of 5.01 x 10-7 m, or 501 nm..converting to frequency, we divide into the speed of light (3 x 108 m/s), for a result of 599 THz..now, the optical spectrum extends from red, a wavelength of 750 nm (frequency = 400 THz) all the way to violet, at a wavelength of 400 nm (frequency = 750 THz)..note the interesting symmetry there..in any case, our sunlight peak occurs about 29% up the optical spectrum from the red end, for an equivalent color of ... yellow!

..so, in fact, solar radiation peaks just where our Sun-adapted eyes say it does..this is no surprise, since our eyes evolved to see by sunlight..in a few billion years, when our Sun has cooled and expanded into a red giant, our eyes will need to adapt to this longer wavelength..of course, by then, the frequency response of our eyes will be the least of our worries...

n0w, have i answered your question?........

Answer 3

The Sun is white. Many people think it is yellow because the only time you can safely look at the Sun is when it's very low in the sky, and it's coloured yellow or red then because it's passing through the thickest part of the atmosphere. But, trust me, I've seen it many times in a telescope when high overhead, and it is white.

Answer 4

From earth, the sun looks 'Burn Orange to Yellow' (because of it's temperature). As long as i know, the sun is hot ball gas only

Answer 5

the sun is WHITE.

It is a main sequence star, and only appears yellow because the air in our atmosphere scatters the light and causes it to appear yellow.

From mercury for instance, where there is no air, or even from the moon, the Sun would appear white.

This is absolutely true, look it up if you want, but don't think the sun is yellow!!
:)

Answer 6

The Sun is Green, Red, and Blue...The temperature in the Sun's center (the core) is about 27,000,000 (27 million) degrees Farenheit (about 15 million degrees Centigrade). The surface temperature is about 6,100 degrees Centigrade. The surface temperature of our Sun and other stars determine the type of visible light they produce. This is known as the "color temperature." As a perfect black body (known as a Planck Black Body) heats, it becomes infrared, then visible red. As it heats more, it turns orange, then yellow. As it heats still more, it generates more blue light than red or green. Finally, it shifts towards ultraviolet light.

The ratio of blue to green to red light indicates an object's "color temperature." A 100-Watt tungsten bulb has a color temperature of about 2900 degrees (much cooler than the Sun's color temperature of 6100 degrees). If you take a picture indoors at night using tungsten bulbs with daylight film, it appears yellow. The color temperature is why. Tungsten bulbs don't have as much blue light as sunlight. Electronic flashes have more blue light than tungsten bulbs, so their light looks natural on daylight film. Ordinary daylight film is usually balanced for a color temperature of 5500 degrees. Electronic flash equipment typically looks like it has a color temperature of 5000-6000 degrees Centigrade.

Different stars have different color temperatures. If you photograph stars with daylight film (using a long enough exposure), you'll see that some stars appear reddish and orange. Those stars are cooler than our Sun. Others appear bluish. Those stars are hotter than our Sun. Stars that appear white on daylight film have a color temperature of about 5500 degrees, and so are about the same surface temperature as our Sun. One interesting constellation to photograph to see different star colors is Orion. See the "Comets" section below and look at the different colors of the stars in the picture. The blue ones are hotter than the orange ones.

Answer 7

yellowish redish orangish

Answer 8

ALL COLORS AND INTENSELY BRIGHT BEYOND BELIEF.

Answer 9

same color as corn when it comes out in your poop....

Answer 10

orange-red