Snow (110 wallpapers)

Snow is a form of precipitation made up of small ice crystals. Refers to extensive precipitation falling on the earth's surface.

Snow forms when microscopic water droplets in clouds are attracted to dust particles and freeze. The ice crystals that appear in this case, which at first do not exceed 0.1 mm in diameter, fall down and grow as a result of condensation of moisture from the air on them. In this case, six-pointed crystalline forms are formed. Due to the structure of water molecules, only 60° and 120° angles are possible between the rays of the crystal. The main water crystal has the shape of a regular hexagon in the plane. New crystals are then deposited on the vertices of such a hexagon, new ones are deposited on them, and thus various forms of snowflake stars are obtained.

At high thermals, crystals repeatedly move vertically in the atmosphere, partially melting and crystallizing again. Because of this, the regularity of crystals is disturbed and mixed forms are formed. Crystallization of all six rays occurs at the same time, under almost identical conditions, and therefore the features of the shape of the snowflake rays are equally identical.

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