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View of the night sky in July The day's blue sky, clouds and the Moon. The sky is an unobstructed view upward from the surface of the Earth. It includes the atmosphere and outer space. It may also be considered a place between the ground and outer space, thus distinct from outer space.
The red light reaches the observer's eye, whereas the blue light is scattered out of the line of sight. Other colours in the sky, such as glowing skies at dusk and dawn. These are from additional particulate matter in the sky that scatter different colors at different angles. Halos, afterglows, coronas, polar stratospheric clouds, and sun dogs.
The sky actually appears to be blue less than half the time. Some conditions under which the sky may not appear blue: During the night, the sky appears black. Without light from the sun creating Rayleigh scattering, the sky cannot be seen as blue, [3] except in certain conditions when the moon is up. [4] Clouds can obscure the color of the sky.
Yellow skies are a natural, but rare phenomenon. For premium support please call: 800-290-4726 more ways to reach us
A combination of factors from the time of day to dust in the sky can affect what parts of the visible light spectrum we can and can't see. There's a reason the sky is yellow, green during a storm ...
The cites are there for the attribution of why the sky is blue, not just because it's blue or else there'd be a sentence in that article with four cites that says "The sky is blue". And while the sky certainly only appears to be blue, ask anyone in the world what color the sky is, and you'll get the same answer, hence the ubiquity of the choice ...
Sure water isnt blue nor is the sky but the argument still stands, if you go up to most people on the street and ask the color of the sky or the ocean they will say its blue. Its similar to the mitochondria is the powerhouse of the cell; it isnt but it helps show what the mitochondria actually does in a simple and easily understood way.
Hues of blue include indigo and ultramarine, closer to violet; pure blue, without any mixture of other colours; Azure, which is a lighter shade of blue, similar to the colour of the sky; Cyan, which is midway in the spectrum between blue and green, and the other blue-greens such as turquoise, teal, and aquamarine.