Van Gogh from Space
This striking image looks like a painting; it’s actually natural formations in an aerial image, showing massive congregations of greenish phytoplankton swirling around Gotland, a Swedish island in the Baltic Sea.
Phytoplankton are microscopic marine plants that form the first link in nearly all ocean food chains. Population explosions, or blooms, of phytoplankton, like the one shown here, occur when deep currents bring nutrients up to sunlit surface waters, fueling the growth and reproduction of these tiny plants.
Photo credit: USGS/NASA/Landsat 7
Learn more about the Landsat satellite here.
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