Earth at Night . ... Credit Copyright: NASA , NOAA NGDC , Suomi-NPP , Earth Observatory , . Data and Processing: Chris Elvidge and Robert Simmon Explanation: This remarkably complete view of Earth at night is a composite of cloud-free, nighttime images. ... It also has advantages compared to cameras on the International Space Station, passing over the same point on Earth every two or three days while Suomi-NPP passes over the same point twice a day at about 1:30am and 1:30pm local time. ...