Compiling satellite data from the past few years, NASA recently put together a visual detailing the average biosphere cycle of the Earth. Waves of dark green wash between the northern and southern hemispheres and highlight a greater density in plant growth during summer months, leaving in their wake beige tones on land and dark blues in the water, representative of winter when plants become dormant or die off. These fluctuations show the trade in seasons between the north and south. For more information, visit NASA.
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