why is the sky blue?

Answer 1

The Rayleigh's Scattering effect. It says that the amount of scattering of a paritcular light is inversely proportional to the (frequency)^4
Since Violet is the visible light minimum frequency...it is scattered.
The possible reasons of sky being blue instead of violet...
> Blue is a primary colour
> Refractive Index of air (almost negligible)
> It is scattered....so it is very scarce

Answer 2

Here is something interesting to think about: When you look at the sky at night, it is black, with the stars and the moon forming points of light on that black background. So why is it that, during the day, the sky does not remain black with the sun acting as another point of light? Why does the daytime sky turn a bright blue and the stars disappear?

The first thing to recognize is that the sun is an extremely bright source of light -- much brighter than the moon. The second thing to recognize is that the atoms of nitrogen and oxygen in the atmosphere have an effect on the sunlight that passes through them.

There is a physical phenomenon called Rayleigh scattering that causes light to scatter when it passes through particles that have a diameter one-tenth that of the wavelength (color) of the light. Sunlight is made up of all different colors of light, but because of the elements in the atmosphere the color blue is scattered much more efficiently than the other colors.

So when you look at the sky on a clear day, you can see the sun as a bright disk. The blueness you see everywhere else is all of the atoms in the atmosphere scattering blue light toward you. (Because red light, yellow light, green light and the other colors aren't scattered nearly as well, you see the sky as blue.)

Answer 3

I read somewhere that the sky is blue because it is reflecting the color of the water, or vice versa, I'm not sure. If the sky is not blue because of the water, then it is probably the combination of gases in our atmosphere that makes the sky appear blue to us.

Answer 4

because the light reflects the ocean which makes the sky blue

Answer 5

most of the part on earth is full of ocean and the color of water is blue. So, it reflects the wavelength of blue color and we can see the color of sky blue.

Answer 6

white light is a mixture of red orange yellow blue indigo and violet. all of these are split up inside the atmosphere due to a mixture of dust and water molecules. blue is the shortest wavelength, so it is magnified brighter than any other color.

Answer 7

Because the sky is sad!

Answer 8

Oo pick me pick me!! lol uhm i think its the reflection of the water vapor and water off the sun or something like that... thats why at night you can see stars because the sun doesn't make the gases and stuff reflect

Answer 9

light is refracted around the atmosphere causing bending and the appearance of blue.

Answer 10

its the light that is reflected from the chemicals in our atmosphere, the sunset and sunrise are red because the light has father to travel, there fore more atmosphere to pass through