This NASA Image and explanation challenge was shared by member Brian Sieben from Yellowknife NT. He saw this interesting NASA image and decided to share it. Perhaps there is someone knowledgeable about sea ice out there who could offer an explanation for these open holes in the sea ice?
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The image above shows curious holes in Arctic sea ice, located about 50 miles northwest of Canada’s Mackenzie River Delta. Guesses from readers included everything from ice broken by marine animals to breathe, to ice that had been thawed by methane hydrates. It’s a challenge to know the source of the features based on a photograph or satellite image alone, but several scientists offered their hypotheses in our April 21 Image of the Day.
Observations From Members 