Why is the Sky blue?
- Author
- V Kelly B
- Published
- Thu 28 Jan 2021
- Episode Link
- None
Why is the Sky blue?
Misconceptions:
there are many misconceptions and incorrect answers bandied about — because it reflects the ocean; because oxygen is a blue-colored gas; because sunlight has a blue tint — while the right answer is often thoroughly overlooked
The Answer:
In truth, the reason the sky is blue is because of three simple factors put together: that sunlight is made out of light of many different wavelengths, that Earth's atmosphere is made out of molecules that scatter different-wavelength light by different amounts, and the sensitivity of our eyes. Put these three things together, and a blue sky is inevitable. Here's how it all comes together.
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