Saturday, 1 May 2010

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."
Did you know this??

1 comment:

  1. I didn't know that!
    I love the new set up it's wicked!!
    Can't wait till tue - wed!!!!
    Eva xx

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