This image shows abundant phytoplankton, known as a bloom, as swirls of green in the Gulf of Alaska on June 9, 2016. This phytoplankton bloom was caused when eddies helped distribute terrestrial iron offshore into the nitrate-rich waters – creating a nutrient-rich environment for phytoplankton. The scene was captured by the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument on the Suomi National Polar-orbiting Partnership (NPP) satellite, jointly managed by NASA and the National Oceanic and Atmospheric Administration (NOAA).

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