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Satellite Captures Spectacular View of Earth at Night
Added Jan 16, 2013 | Rate View top rated
This electric, nighttime view of Earth from space was acquired by the Suomi National Polar-Orbiting Partnership Satellite (Suomi NPP). A joint program by NASA and NOAA, Suomi NPP captured this image with the satellite's Visible Infrared Imaging Radiometer Suite (VIIRS). The day-night band on VIIRS detects light in a range of wavelengths from green to near infrared and uses filtering techniques to observe signals such as city lights, gas flares, and wildfires. This new image is a composite of data acquired over nine days in April and thirteen days in October 2012. It took 312 satellite orbits and 2.5 terabytes of data to get a clear, cloud-free shot of every parcel of land surface.
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