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NASA-NOAA Satellite Reveals Stunning Views of Earth at Night
Posted by Guy Pirro on 12/12/2012 8:32 PM
Scientists unveiled an unprecedented new look at our planet at night. A global composite image, constructed using cloud-free night images from a new NASA and National Oceanic and Atmospheric Administration (NOAA) satellite, shows the glow of natural and human-built phenomena across the planet in greater detail than ever before. Unlike a camera that captures a picture in one exposure, this satellite produces an image by repeatedly scanning a scene and resolving it as millions of individual pixels. The instrument can capture images on nights with or without moonlight, producing crisp views of Earth's atmosphere, land, and ocean surfaces.
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