A Snowflake with a stellar (or dendritic) crystal form. Snowflakes are formed in clouds when water freezes at negative fifteen degrees Celsius. When crystallization occurs slowly,in calm air and in temperatures near the freezing point,snowflakes will exhibit hexagonal symmetry | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Ted |
Bildgröße: | 3968 px × 3704 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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