A “Blue Marble” image of the Earth taken from the VIIRS instrument aboard NASA's Earth-observing satellite — Suomi NPP. This composite image uses a number of swaths of the Earth's surface taken ... more 
A “Blue Marble” image of the Earth taken from the VIIRS instrument aboard NASA's Earth-observing satellite — Suomi NPP. This composite image uses a number of swaths of the Earth's surface taken on Jan. 4, 2012. less 
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SPACE.com | Photo By NASA/NOAA/GSFC/Suomi NPP/VIIRS/Norman Kuring
Mon, May 20, 2013 9:24 AM EDT