Rare 'Snow Donuts' Appear in Antarctica
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- First detected:
Insights by Echo AI
Giant 'snow donuts', ranging from a few centimeters to over a meter in diameter, have been observed in Antarctica. These multi-layered snow rolls, often hollow inside, form when two different layers of snow, an air temperature slightly above 0°C, and wind that moves snowballs rather than destroying them coincide.
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