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  1. Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

    http://spaceplace.nasa.gov/blue-sky/en/
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  2. Why is the Sky Blue? - Science Made Simple

    www.sciencemadesimple.com/sky_blue.html

    Why is the Sky Blue? Learn about the atmosphere and how light scattering makes the sky look blue. MIT used parts of this article in their online class.

  3. Why is the Sky Blue? - University of California, Riverside

    www.math.ucr.edu/home/baez/physics/General/BlueSky/blue_sky.html

    [Physics FAQ] - Original by Philip Gibbs May 1997. Why is the sky blue? A clear cloudless day-time sky is blue because molecules in the air scatter blue light from ...

  4. Why is the sky blue? :: NASA Space Place

    spaceplace.nasa.gov/blue-sky

    Jul 30, 2015 · Why is the sky blue? It is easy to see that the sky is blue. Have you ever wondered why? A lot of other smart people have, too. And it took a long time to ...

  5. Why is the sky blue? - HowStuffWorks

    science.howstuffworks.com › … › Atmospheric Science

    The sky is blue because of the way the Earth's atmosphere scatters light from the sun. Find out what makes the sky blue in this article.

  6. why is the sky blue? | Yahoo Answers

    https://answers.yahoo.com/question/index?qid=20071031201452AAwbqie
    • Resolved ·
    • 43 posts ·
    • 42 total answers ·
    • Published Oct 31, 2007

    Best Answer: The atmosphere is the mixture of gas molecules and other materials surrounding the earth. It is made mostly of the gases nitrogen (78%), and ...

  7. Why Is the Sky Blue? - LiveScience.com

    www.livescience.com/32511-why-is-the-sky-blue.html

    We see a blue sky, because of the way the atmosphere interacts with sunlight. White light, including sunlight, is made up of many different colors of light, each with ...

  8. Why is the sky blue - Answers.com

    www.answers.com › … › Atmospheric Sciences › Meteorology and Weather

    The sky is blue because of something called Rayleigh scattering. Longer wavelengths of light pass through the atmosphere, while shorter ones (i.e. blue) are absorbed.

  9. Why Is the Sky Blue?: Sally Grindley, Susan Varley ...

    www.amazon.com › … › Science Studies › Nature
    • Rating: 5/5 ·
    • 5 reviews ·
    • By Sally Grindley ·
    • Hardcover

    Why Is the Sky Blue? [Sally Grindley, Susan Varley] on Amazon.com. *FREE* shipping on qualifying offers. Curious Rabbit wants to know everything there is to know, but ...

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