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questionedithistorytranslations
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flag English language

How is blue ice formed?
the ice is always colorless
in the upper atmosphere
in the depths of the glacier
from salt sea water
Blue ice occurs under the surface of a glacier as a result of repeated, slow thawing and freezing of water. This process speeds up when snow falls on the top of a glacier, the ice compresses, air bubbles are squeezed out and ice crystals enlarge, making the ice appear blue. In the Greenland environment this process takes from 100 up to 150 years.
Michał
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wikipedia → Blue ice (glacial)
4
Very interesting!

flag Polish language

Jak powstaje niebieski lód?
lód jest zawsze bezbarwny
w górnych warstwach atmosfery
w głębi lądolodu
ze słonej wody morskiej
Błękitne pokłady lodu powstają w głębi lądolodu w wyniku wielokrotnego, powolnego rozmarzania i ponownego zamarzania wody bez domieszek załamujących światło (pęcherzyki, pęknięcia). W środowisku Grenlandii proces ten trwa 100-150 lat.
smyru
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wikipedia → Niebieski lód lodowcowy
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