why the sky has blue color??

why the sky has blue color??

Why-the-sky-has-blue-color


why the sky has blue color


when the Sun is high with in the sky blue light is scattered in all directions as sunlight passes through the atmosphere and we see that the sky as blue color.
But it’s a another case that when the Sun is close to the horizon at sunset or sunrise.
The result is the beautiful colors we see at sunset and sunrise and, very occasionally, a flash of green light.

When we see a rainbow we can see a wide range of colors from red with(longer wavelength) through yellows and greens to blues and eventually violet (shorter wavelengths).
So there is a question arises that if the color with shorter wavelengths are more easily scattered then why don't we see that the sky as purple?
The answer actually lies with that,how our eyes react to light.
Inside our eye there are two types of cells that react to light.
'Rods' are sensitive to brightness and three types of 'cones' are responsible for detecting the color.
These three types of cones are very sensitive to lights with certain wavelengths.
The blue color cones are found more sensitive to blue rather than violet, so when you look up to the sky, the cones tell your brain that you are seeing blue color

why the sky has blue color

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