light scattering phenomenon

'Carp rising to the sky' - what is the phenomenon of a cloud that looks like a fish down to every detail?
The appearance of a cloud that looks exactly like a fish surprised many people, even looking at the photo it feels like a collage. How can this be explained?
Why does the sky turn red at sunset?
The sunset sky turns red and orange due to the scattering of light in the atmosphere.
Application of light scattering in weather forecast
The following knowledge will help you understand why we need to care about light scattering.