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| "greenish phytoplankton swirl in the dark water around Gotland" |
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| "White pinpricks of cloud...on the Rub' al Khali, or Empty Quarter" |
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| "Greenland, an intricate network of fjords funnels glacial ice to the Atlantic" |
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| "Ridges of wind-blown sand that make up Erg Iguidi" |
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| "The Belcher Islands meander across the deep blue of Canada's Hudson Bay" |
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| "Chunks of sea ice drift...in the frigid waters of Foxe Basin" |
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| "The graceful swirls and whorls of the Mississippi River" |
By NASA Goddard Photo and Video.
First spotted on Notcot.org
