Today is the United Nations' World Water Day, which we're marking here on The Grid by launching a new daily photo feature.
The Western Hemisphere, Jan. 4, 2012. NASA's Suomi National Polar-Orbiting Partnership (Suomi NPP) orbits the Earth 14 times a day, taking images across both visible and longer-wavelength light bands. This composite is made up of images taken over the course of six orbits. A part of the NASA's Earth Observing System, the satellite's five instruments will monitor the planet's temperature, atmospheric moisture, air pressure, land change and other critical dynamics.
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