The color of the sky!The color of the sky is changing with time. During the day the sky is blue. The morning and evening sky is orange red. This phenomenon occurs because "the scattering of light" (Scattering of light) each color light wave length wave are not equal.It will cause the scattering of light in a different
.The factors of the scattering of light
size wave length the size of obstacles. The angle of light incident to the atmosphere. Quantity of suspended solids in the sky during the daytime air
.The sun made the slope angle with the earth. Light travels through the atmosphere are short. Obstacle in less light purple, blue and blue wavelength. The smaller molecules of air are disseminated to the sky in many directions.In the area with little air pollution, such as island in the sea, we can see the sky is blue, the area with a suspended in the air pollution. Light green and yellow will be disseminated.
the sky morning and evening
.Solar angle slope with earth. Light travels through the air mass is a long distance. Obstacles blocking is very light purple, indigo, and blue cannot travel through obstacles. The scattering is outside the light yellow, orange and red.So we can see the sun and sky in the vicinity is red!The evening is red rather than in the early morning. Due to high temperature in the afternoon. The dust in the air than in the morning. According to the dust in the air was washed with dew in the morning dark.
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