why is the sky blue short answer 2020

When it comes to the color of the sky, the first thing that comes to mind is blue, despite its change in color by changing the different times of the day, and we see its color between the dark indigo to red or orange color at the times when the sun sets, and given the fact that the sun is a source of light It is on the ground, and the light it emits is white. If we think the sky is blue, it really raises wonder and wonder.

Why do we see the sky as blue?.

It is known that white color results from a mixture of the seven spectrum colors that appear in the rainbow (red, orange, yellow, green, indigo blue, and violet), which is caused by the difference in the lengths of the rays that make up the light. As for the visible material, its color is produced by sunlight. Of different lengths.

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Moreover, some materials are distinguished by their ability to reflect light, absorb it or make it refract in different directions. (Except for a completely transparent material that will allow light to pass through as is)

Why Is the Sky Blue?

Why is the sky blue?

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For further clarification, for example, red material, when exposed to light, absorbs all colors of the spectrum except for the red color, which you reflect. The purple material reflects some red and some blue. As for the white matter, it reflects all the colors of the spectrum, and black absorbs them all

sky blue color

When a light beam passes through the air, it is subjected to refraction to a certain degree, so that this degree depends on the amount of dust around it. The blue waves (short waves of the spectrum colors) are much more refracted than the waves (red). And on clear days when there are few water droplets and dust, the reflection of light rays is very limited, and as a result, we see the sky with their light blue color.

As for sunset times, the amount of dust in the atmosphere increases, especially during harvest days, which leads to an increase in the scattering of light, especially the short blue waves, so that the rays appearing on the surface of the earth are red and orange.

It should be mentioned that if the Earth were like a moon without an atmosphere surrounding it, the sky would have seemed black all the time, at night and during the day.
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why is the sky blue short answer 2020