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Macro photography of a natural snowflake. A snowflake is a single snow crystal that is large enough to fall through the Earth's atmosphere as snow. [1] [2] [3] Snow appears white in color despite being made of clear snow. This is because the many small crystal facets of the snowflakes scatter the sunlight between them. [4]
Snowflakes nucleate around particles in the atmosphere by attracting supercooled water droplets, which freeze in hexagonal-shaped crystals. Snowflakes take on a variety of shapes, basic among these are platelets, needles, columns and rime. As snow accumulates into a snowpack, it may blow into drifts.
Falling snow comprises ice crystals, growing in a hexagonal pattern and combining as snowflakes. [13] Ice crystals may be "any one of a number of macroscopic, crystalline forms in which ice appears, including hexagonal columns, hexagonal platelets, dendritic crystals, ice needles, and combinations of these forms". [14]
The snowflakes form as air rises, cools, and condenses, usually around an area of low pressure. Whether or not precipitation remains snow or transitions to rain, freezing rain, sleet, hail or ...
Shares of data storage and analytics company Snowflake (NYSE: SNOW) dropped by 12.4% during August, according to data provided by S&P Global Market Intelligence. The stock got crushed after the ...
An early classification of snowflakes by Israel Perkins Warren. [2] Snow was described in China, as early as 135 BCE in Han Ying's book Disconnection, which contrasted the pentagonal symmetry of flowers with the hexagonal symmetry of snow. [3] Albertus Magnus proved what may be the earliest detailed European description of snow in 1250.
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The hexagonal snowflake, a crystalline formation of ice, has intrigued people throughout history.This is a chronology of interest and research into snowflakes. Artists, philosophers, and scientists have wondered at their shape, recorded them by hand or in photographs, and attempted to recreate hexagonal snowflakes.