Snowflake with a stellar (or dendritic) crystal form,made in a cloud 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. This is a rare combination of more than one six sided crystal | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Edward |
Bildgröße: | 3697 px × 3000 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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