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A clear cloudless daytime 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 colors because the blue light has been scatte...
http://wiki.answers.com/Q/Why_is_the_sky_Blue
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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 ... Also, out in space, the sky looks dark and black, instead of blue. This is because there is no atmosphere. There is no scattered light to reach your eyes.
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www.sciencemadesimple.com/sky_blue.html
www.sciencemadesimple.com/sky_blue.html
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Why Is The Sky Blue is a funny website of scientific mis-information not to be taken too seriously and probably not even enlightening to most who venture on. The question, Why is the sky blue is one of the most often asked question by youngsters and oldster alike.
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www.why-is-the-sky-blue.tv/
www.why-is-the-sky-blue.tv/
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When rays leave the sun, they are white. As these white rays enter the atmosphere, the molecules in the air react with the white spectrum of the rays. As the light moves through the atmosphere, it bumps into gas molecules. These molecules...
http://www.ehow.com/how-does_4910121_why-sky-blue-sun-y...
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Diffuse sky radiation - Wikipedia, the free encyclopedia
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Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by molecules or suspensoids in the atmosphere. It is also called skylight...
en.wikipedia.org/wiki/Diffuse_sky_radiation
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Here is something interesting to think about: When you look at the nighttime sky, it's 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 doesn't remain black ...
http://science.howstuffworks.com/sky.htm
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Why is this ... The color pictures from Mars Pathfinder are a spectacular reminder that the sky is not blue on Mars. Instead, it has colors that have been described as everything from "orange-pink" to "gray-tan", as was discovered in the 1970s by the Viking landers.
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world.std.com/~mmcirvin/bluesky.html
world.std.com/~mmcirvin/bluesky.html
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The Sun appears reddish-yellow and the sky surrounding the Sun is colored by the scattered blue waves. ... When the Sun is lower in the horizon (near sunrise or sunset), the sunlight must travel through a greater thickness of atmosphere than it does when it is overhead, and even more light is scattered (not just blue,
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www.enchantedlearning.com/subjects/astronomy/planets/ea...
www.enchantedlearning.com/subjects/astronomy/planets/earth/Skyblue.shtml
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Since scattered light is the only reason the sky is illuminated at all (the airless lunar sky, as you no doubt recall, is black), what you see is blue.
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www.straightdope.com/classics/a810828b.html
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