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Published on January 27, 2017 in Tiny Creatures Form Massive, Bright Ring Around AntarcticaFull resolution (800 × 600)

The Great Calcite Belt appears as a bright ring around Antarctica as a result of dense algae populations. (Credit: NASA Goddard Space Flight Center)

The Great Calcite Belt appears as a bright ring around Antarctica as a result of dense algae populations. (Credit: NASA Goddard Space Flight Center)