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A clear cloudless day-time 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 colours because the blue light has been scat...
http://math.ucr.edu/home/baez/physics/General/BlueSky/b...
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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 the sky blue is a question discussed including funny answers to scientific inquiry and silly explanations to hypotheses. ... Funny you should ask, this blue sky is science's way of saying, "How did this happen?" Earth science may not have all the answers yet, but we do!
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www.why-is-the-sky-blue.tv/
www.why-is-the-sky-blue.tv/
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Azure (color) - Wikipedia, the free encyclopedia
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Azure is a blue-cyan color on the HSV color wheel (Hue, Saturation, Value) at 210 degrees. Azure is the hue that is halfway between blue and cyan. Azure is one of the tertiary colors on the HSV col...
en.wikipedia.org/wiki/Azure_(color)
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; Zoom Astronomy; Why is the sky blue?; Sunlight is made up of all the colors of the rainbow: red, orange, yellow, green, blue, and violet. The gas molecules in the atmosphere interact with the sunlight before the light reaches our eyes.
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www.enchantedlearning.com/subjects/astronomy/planets/ea...
www.enchantedlearning.com/subjects/astronomy/planets/earth/Skyblue.shtml
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This is the original, linear version of my blue-sky explanation (apart from cosmetic changes, and some recent small changes in phrasing). The new version serves up essentially the same content in smaller chunks linked to a simpler overview, and may be more comprehensible to non-scientists;
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world.std.com/~mmcirvin/bluesky.html
world.std.com/~mmcirvin/bluesky.html
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Sky Blue Sky - Wikipedia, the free encyclopedia
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Sky Blue Sky is the sixth studio album by Chicago rock band Wilco, released on May 15, 2007 by Nonesuch Records. Originally announced on January 17, 2007 at a show in Nashville, Tennessee, it was t...
en.wikipedia.org/wiki/Sky_Blue_Sky
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