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Why is the sky *uniformly* blue? - Physics Stack Exchange

https://physics.stackexchange.com/questions/561101/why-is-the-sky-uniformly-blue

Jun 22, 2020 · I've read a lot of answers to the questions why the sky is blue. However all the answers I found contain mostly qualitative analysis: Rayleigh scattering is changing the direction of blue light, …

Why is the sky of the moon always dark? - Physics Stack Exchange

https://physics.stackexchange.com/questions/172624/why-is-the-sky-of-the-moon-always-dark

Mar 27, 2015 · So, the sky which scatters blue wavelengths appears blue and red/yellow wavelengths of sun survive to reach our eyes to give it its color. Mie scattering: For larger sized particles, all …

Why does the sky suddenly look gray through this window?

https://physics.stackexchange.com/questions/130457/why-does-the-sky-suddenly-look-gray-through-this-window

But why does it look so much less blue, when the values of the red and green channels are still smaller than the blue? That is entirely an effect of human perception.

optics - If blue light has a higher energy than red light, why does it ...

https://physics.stackexchange.com/questions/28745/if-blue-light-has-a-higher-energy-than-red-light-why-does-it-scatter-more

As E=hf=hcλ, blue light - with a smaller wavelength - should have a higher energy. However, it is the case that blue light scatters the As you've said in your question, blue light has a smaller wavelength …

Why is the sky not purple? - Physics Stack Exchange

https://physics.stackexchange.com/questions/28895/why-is-the-sky-not-purple

The net effect is that the red and green cones are stimulated about equally by the light from the sky, while the blue is stimulated more strongly. This combination accounts for the pale sky blue colour. It …

visible light - Is ocean color affected by Rayleigh Scattering ...

https://physics.stackexchange.com/questions/86800/is-ocean-color-affected-by-rayleigh-scattering

Nov 16, 2013 · We know that sky color is due primarily to Rayleigh scattering. Is Rayleigh scattering the dominant effect for ocean color too?

Why is the blue color of sky darker in high altitude regions?

https://physics.stackexchange.com/questions/93671/why-is-the-blue-color-of-sky-darker-in-high-altitude-regions

Jan 14, 2014 · The sky is actually black. Check that for yourself at midnight. So in the daytime, you are looking at a black sky that is "illuminated" by mostly blue scattered sunlight. The higher your altitude, …

visible light - Why is the sky blue? - Physics Stack Exchange

https://physics.stackexchange.com/questions/40875/why-is-the-sky-blue

Possible Duplicate: Why does the sky change color? Basically what the title says. What mechanisms are significant and how do they contribute to make the sky blue. Also when the sky is not blue,...

electromagnetic radiation - Blue sky and Red sunset, Why? - Physics ...

https://physics.stackexchange.com/questions/679275/blue-sky-and-red-sunset-why

Nov 26, 2021 · Blue light from the sun is scattered more than red so the sky is blue during the day. At sunset the angle of light is very low and the blue light is scattered away completely leaving only the …

Why is the sky blue: For a 3-year old - Physics Stack Exchange

https://physics.stackexchange.com/questions/207817/why-is-the-sky-blue-for-a-3-year-old

Sep 19, 2015 · Why does the sky change color? Why is the sky blue during the day, red during sunrise/set and black during the night? (5 answers) Closed 10 years ago. My nephew asked me …