what is the colour of the sky?

Answer 1

Which one would you like to see ?


http://en.wikipedia.org/wiki/List_of_colors

Answer 2

The sky's colour is actually black! We get the red sunsets, blue and purple skies by of the reflection,scattering and absorption light.
As solar radiaition enters the earth's atmosphere, some of it will be reflected back to space, some of it will be absorbed by the atmosphere and some of it will be scattered to all directions by small particles found in the atmosphere.
Scattering is mainly responsible for the different colours that the sky has.
The colour of the sky depends on the angle which the sun stikes the atmosphere i.e. the time of the day.
During the day light rays strike at an angle such that it is easier for violet and blue rays to be scattered hence the blue sky we have.
But during sunrise and sunset, the light rays strike the atmosphere at angle such that red and orange rays are scattered more than any other colour hence we have red sunsets.

Answer 3

During daylight the sky has the appearance of a deep blue surface, but this is the result of the air scattering sunlight. There is no "blue object" above the earth in any normal sense, so it is hard to say what object the sky is.

At night the sky has the appearance of a black surface or region scattered with stars. But if we then say that the sky is the entire visible universe, it would not be the same thing we see during the day.

The color of the sky is a result of diffuse sky radiation which results in a light blue color. On a sunny day the earth sky usually looks as a blue gradient — dark in the zenith, light near the horizon (due to Rayleigh scattering). It can turn a multitude of colors at sunset/sunrise and turns black at night.

Answer 4

A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.



The white light from the sun is a mixture of all colours of the rainbow. This was demonstrated by Isaac Newton, who used a prism to separate the different colours and so form a spectrum. The colours of light are distinguished by their different wavelengths. The visible part of the spectrum ranges from red light with a wavelength of about 720 nm, to violet with a wavelength of about 380 nm, with orange, yellow, green, blue and indigo between. The three different types of colour receptors in the retina of the human eye respond most strongly to red, green and blue wavelengths, giving us our colour vision.

Sunsets-

When the air is clear the sunset will appear yellow, because the light from the sun has passed a long distance through air and some of the blue light has been scattered away. If the air is polluted with small particles, natural or otherwise, the sunset will be more red. Sunsets over the sea may also be orange, due to salt particles in the air, which are effective Tyndall scatterers. The sky around the sun is seen reddened, as well as the light coming directly from the sun. This is because all light is scattered relatively well through small angles--but blue light is then more likely to be scattered twice or more over the greater distances, leaving the yellow, red and orange colours..

Answer 5

The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air.

However, much of the shorter wavelength light is absorbed by the gas molecules. The absorbed blue light is then radiated in different directions. It gets scattered all around the sky. Whichever direction you look, some of this scattered blue light reaches you. Since you see the blue light from everywhere overhead, the sky looks blue

Answer 6

There is no object named sky in our universe. And all our universe is in dark black colour. And due to the reflection of blue colour by our atmosphere, our sky appears to be blue. And the colour of the sky at night times is black, and it is the original colour of the sky.

Answer 7

Sir CV Raman is the one who made a lot of research on this subject and ocean and sky are blue in colour because of the vast expansion. While a thing individually is with colour, in groups / lot is different in colour. It is because of the special features of our eyes and not of the sky or the materials. My finding is that each human eye is distinctive in visualization. But, we indian need many things to establish our theories with practical visual proof.

Answer 8

sky appear us blue because of scattering. sun light(white light)
consists of different frequencies of waves.frequency of violet colour is most(wavelength is least). atmosphepic nitrogen and oxygen scatterer these violet and blue light waves the most(because scaterring is inversaly proportional to wavelength raised to the power four). and hence sky apper us to be blue.

Answer 9

colour of the sky is blue due to diffraction

Answer 10

Jimmy Hendrix would say its purple

.....it looks blue because the atmosphere scatters the blue light, so blue is what we see. Although, the light from the sun contains all the colors, which is why objects appear in their natural colors in sunlight... not blue.

=)

Answer 11

It appears Blue to us coz of selective scattering of of white light by suspended dust particles etc....otherwise its no colour or black...