Hi all friends in steemit, this is the natural beauty that is always present in front of us when the afternoon comes.

Sunset on the western horizon, this photo I took with the camera iPhone 6s in the afternoon.
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![image](https://img.esteem.ws/qmzpatjzoe.jpg)
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The sunset is the time when the sun disappears below the horizon line to the west. The yellowish red in the sky at sunset and rising due to a combination of blue Rayleigh spreading and the density of Earth's atmosphere. 

Why the color of the sun when rising and drowning is the same color, is reddish and the shape of the sun becomes larger than usual. Here's a little analysis that can explain it all. 
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 ![image](https://img.esteem.ws/yjcu0r61a1.jpg)
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As the sun rises and sets, the sky will partly be red, the sky is blue, and the polarized sky light (at least in part). This phenomenon can be explained on the basis of light scattering by atmospheric molecules. The scattering of light by the earth's atmosphere depends on the wavelength. For particles much smaller than the wavelength of light (such as air molecules), they are not a major obstacle to long wavelengths compared to short ones. 

The scattering is reduced, red and orange light scattered less than blue and purple, which is the cause of the blue sky. At sunset, on the other hand, the beam of sunlight passes through the maximum atmospheric length. Many of the blue colors have been removed by scattering. The light that reaches the surface of the earth means the lack of blue, which is the reason for the reddish sunsets.
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