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With a computer program called MOANA and
NASA satellite data, scientists can identify the colorful plant-like organisms that drift in Atlantic Ocean currents.
These phytoplankton nourish Earth’s marine life, produce oxygen, absorb carbon, and turn satellite images into vibrant works of art.
The first image, taken by NASA’s Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) satellite on May 16, 2025, shows the natural color of phytoplankton blooming in the nutrient-rich waters off the coast of Namibia.
While each individual phytoplankton is microscopic, blooms of billions can be seen swirling in shades of greens and blues from orbit. Different species appear as different colors, and PACE detects the entire spectrum.
By putting PACE color data into a computer program called Multi Ordination Analysis - the
MOANA of this ocean tale - scientists can create maps where three different types of phytoplankton are thriving. The second image dives into the data to map the different communities in teal and purple.
This helps provide insights into the health of schools of fish and other ocean life.
Including, perhaps, how far they’ll go.Image description:
Two satellite images show the
same portion of the Atlantic Ocean and the southwestern coast of Africa. In the first natural-color image, the left side is dark blue, with swirls of greens increasing toward the center of the image as the ocean meets the coastline. To the right of the first image, white clouds form dotted, curved lines over the tan and brown land. The second image maps data on phytoplankton communities over the ocean, with different communities identified in teals and purples. The land and clouds look the same as in the first image.🧠
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