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Why Is the Sky Blue?

Answer

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. The absorbed blue light is then radiated in different directions. It gets scattered all around the sky. This causes the sky to seem blue in colour.
3 Additional Answers
Ask.com Answer for: why is the sky blue
The sun's rays hit the Earth's atmosphere, where the light is scattered by nitrogen and oxygen molecules in the air. The blue wavelength of this light is affected more than the red and green wavelengths, causing the surrounding air to appear blue.
A clear and cloudless sky appears blue because of scattering of blue light from the sun by air molecules. This is attributed to an effect called Raleigh's scattering. In this case, the shorter wavelength light id absorbed while the longer ones pass directly. The blue is among the shorter wavelength light and is reflected by the dense air molecules in the atmosphere. This is why during the evening we only see orange or red colours because the blue has been reflected.
The sky appears blue because of the reflection of the blue light from the sun by air molecules. Light from the sun is in long and short wave lengths. The short wavelengths are absorbed and radiated in many directions. Thus in a clear and cloudless day, the sky will be blue in colour.
Q&A Related to "Why Is the Sky Blue"
The question asking why the sky is blue, has been around as long as man. But the most correct response is because molecules in the air are scattering more blue light then red from
http://answers.ask.com/Reference/Dictionaries/why_...
This is one of many age-old questions about our beautiful planet. The Sun, like all full-spectrum light, contains a mixture of all colors. When sunlight hits the molecules of air
http://www.ehow.com/how_5631216_common-science-que...
The reason the sky is blue is because of the way the light scatters and moves through the atmosphere. The longer wavelengths of red, orange, and yellow are not affected by the air
http://www.ask.com/answers/107440101/why-is-the-sk...
The reason that the sky is blue on Earth is due to the peculiarity of Rayleigh scattering [1], which is the main mechanism that waves with wavelengths much larger than the scattering
http://www.quora.com/Atmospheric-Science/Why-is-th...
Explore this Topic
The sky being blue has a lot to do with something called "Rayleigh scattering." It is basically when light moves through the atmosphere and wavelengths ...
The sky being blue has a lot to do with something called "Rayleigh scattering." It is basically when light moves through the atmosphere and wavelengths ...
The sky being blue has a lot to do with something called "Rayleigh scattering." It is basically when light moves through the atmosphere and wavelengths ...
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