Looking at the blue sky stippled with white clouds soothes our emotions. Have you ever wondered why the sky is blue? It is related to the “wavelength” of sunlight! Simply put, when sunlight passes into the atmosphere, it is scattered by the particles in the air. Blue light, which has a shorter wavelength, is scattered more than other lights. That’s why the sky looks blue most of the time.
You may search for detailed explanations on Google regarding “Why is the sky blue?” No matter what’s going on, looking at the azure sky still brings us calmness.