Snowflakes, historical image sequence

Videonummer 12497952
Snowflakes. Sequence of light microscope images of snowflakes taken by Wilson Bentley (1865-1931). Bentley, a farmer from Vermont, USA, was the first person to successfully photograph snow flakes, taking the first photograph in 1885. He used a bellows camera attached to a light microscope. Snowflakes are symmetrical ice crystals that form in calm air with temperatures near the freezing point of water. The exact shape of a snowflake depends on local climatic conditions. Snowflakes typically have hexagonal symmetry. No two snowflakes are identical, as each experiences a wide range of conditions as it forms inside a cloud.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / NOAA
Modell-Rechte: nicht erforderlich
Länge: 5 Sekunden
Seitenverhältnis: 4:3
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