A cross section of an icicle that is three days old. In this case the icicle grows rings similar to a tree. The age of an icicle can be determined by the number of heating and cooling cycles the icicle has gone through. This cross section is 2 mm thick and is photographed in polarized light | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Kinsman, Ted |
Taille de l’image : | 5616 px × 3744 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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