Space Image of the Day Gallery (April 2017)

Monday, April 17, 2017: NASA is releasing new, high-definition satellite images of Earth’s “night lights” and using them to study how patterns of human settlement have changed over time. This composite image of the Earth as a “black marble” shows Asia and Australia in 2016. Joshua Stevens, a data visualization expert at NASA’s Earth Observatory, used data from the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument on the NASA-NOAA Suomi National Polar-orbiting Partnership (NPP) satellite to create full-hemisphere views of Earth by night. — Hanneke Weitering

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Space, astronomy and science