What is the sky?

People look at the sky from day to day, and itconstantly appears in new guises, shades and states. You can look at the sky endlessly, noticing the various changes associated with changing the time of day, the weather. So, what is heaven?

The boundless sky is

The sky is space. And, do not think that only above the surface of the Earth - the sky fills the space above the surfaces of all existing astronomical objects. In the usual view, the sky is a panorama that you can contemplate from the surface of the Earth, staring in the direction of the cosmos. The daytime sky to every man is seen like this: a blue infinity above the earth with the sun and clouds. This infinity is a layer of the atmosphere that can be seen from the Earth between sunrise and sunset. The night sky appears before us in a dark blue color, but without special optical instruments it seems absolutely black with inclusions of stars and the towering Moon. The color of the sky is explained by optical laws. Air with its constituents (suspended particles and fluctuations) scatter light, and with a short wavelength. The blue color is dissipated more in the atmosphere, as it is at the very end of the visible spectrum. If the light passes a larger path in the atmosphere, for example, at sunset, then you can see the red shades of the sky.

Extraterrestrial heavens or Heaven

The question is not accidental: both variants of writing are acceptable, only with the amendment - for a specific case. What is heaven? This is also a space, but only cosmic, which can be viewed not from the Earth, but from the surface of other cosmic bodies. The appearance of such skies differs from our earthly sky for a number of reasons: the density, chemical composition of the atmosphere differs. Clouds may be visible or they may not be - it all depends on which surface of the cosmic body to survey the heavens.

Let us return to the question, and why does Heaven write withthe capital letter? From the point of view of some religions, Heaven is the seat of a righteous soul after death. The explanation of this concept leads to the idea that paradise (the abode of the righteous after the earthly life) is exactly in Heaven.

So, it turns out, how different is the sky, which does not cease to please the blue overflows - in the afternoon, with a thick black veil with a scattering of stars - at night.

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