Anonymous
Anonymous asked in EnvironmentGlobal Warming · 4 weeks ago

is the sky really blue?

3 Answers

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  • andy
    Lv 4
    4 weeks ago

    as far as i can see it is

  • No. It's an optical illusion. They sky doesn't actually exist. The light from the sun is refracted by the upper atmosphere preventing us from seeing the stars. For most of the day, the sky appears blue but when the sun is very low in the sky, it can appear yellow or red.

  • Anonymous
    4 weeks ago

    That's wacis..........

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