Why is the sky blue,what makes it seem that its blue ?

Answer 1

The air that we breathe, the clouds in the sky, all the gases [and pollution] that make up our atmosphere all reflect the light of the sun.
The rainbow is a good example of the different colours in the light spectrum as water reflects the suns light. The blue colour of the sky is the a colour of short length [in the 440nm's], so when the sun is up in the sky it reflects blue. As the sun sets or rises it relfects the longer wave lengths [over 500nm] turning the sky reds, oranges, yellow, etc, because the angle is more than when over head.

The atmosphere distributes the short-wavelength blue light much more easily than longer red wavelengths from the white light of the sun.

It is only the blue of the light spectrum colours that is reflected in the atmosphere by the sun during the day, because of the short 'blue' wave length range.

I think I'd feel rather ill if the sky was green!

Answer 2

Now think a moment about that blue ocean answer. So many people get it switched around. Look at water. It is clear, not blue. The oceans look blue because they reflect the sky. Check it on samll lakes with clouds overhead. If its cloudy the water is grey.

The scattering of light, refraction, is why blue gets seen in the sky. Blue is the more energetic color and the photons of that wavelength get down to your eye.

Now, what is True color of the sky? (trick ?)

Answer 3

I'm thinking by the time I provide this answer, you'll get some saying "it's the reflection of the ocean water," but it's not.

Molecules in the air scatter blue light from the sun. The blueness you see 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 4

Sky is blue because of a phenomenon called "SCATTERING". It was discovered by an Indian scientist Dr. C V Raman (later on he was awarded NOBEL).

According to this theory - scattering is inversely proportional to fourth power of the wave length. As blue light has shortest wave length in the spectrum, it is scattered most. That is why we see blue color every where and sky seems to be blue.

I hope that helps.

Answer 5

I've been told that it's the reflection of the blue from the oceans, but they may have been pulling my leg.

Answer 6

This site explains it really well.

Answer 7

because of water.