Macrophotograph of a snow crystal
Numéro d’image : 11737065
| Macrophotograph of a snow crystal showing characteristic hexagonal symmetry. Each crystal is made up from water molecules,arranged with 2 hydrogen atoms making an angle of 105 degrees with 1 oxygen atom. The fixed shape of the water molecule means they can assume a stable crystal arrangement only when arranged as a 6-branched figure. Despite essential hexagonal similarity no two snowflakes are identical because their growth from cloud,through sky,to the ground is influenced by temperature,humidity,air currents etc. & these conditions are never identical for two snowflakes. Magnification: x5 (35mm size) | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Nuridsany, Claude / Perennou, Maria |
| Taille de l’image : | 4943 px × 3608 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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