Light micrograph of a snow crystal showing hexagonal centre (0.2mm across) from which 6 branches form as the crystal grows. 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 is influenced by temperature,humidity,air currents etc. & these conditions are never identical. Magnification: x60 (35mm size) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Nuridsany, Claude / Perennou, Maria |
Bildgröße: | 5104 px × 3496 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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