The Earth from Space

I thought I would use the excuse of Foursquare launching a NASA collaboration so that astronauts can check in from space to post my favourite picture of the Earth at night from space (click for the enormous version!):

 

 

Earth At Night (WMS) - data courtesy Marc Imhoff (NASA/GSFC) and Christopher Elvidge (NOAA/NGDC). Image by Craig Mayhew (NASA/GSFC) and Robert Simmon (NASA/GSFC).

Earth At Night (WMS) - data courtesy Marc Imhoff (NASA/GSFC) and Christopher Elvidge (NOAA/NGDC). Image by Craig Mayhew (NASA/GSFC) and Robert Simmon (NASA/GSFC).

 

PS Apparently the astronaut who checked in for Foursquare for the following badge: “You are now 220 miles above Earth traveling at 17,500 mph and unlocked the NASA Explorer Badge! Show this badge and get a free scoop of astronaut ice cream.”

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