"Blue Marble 2012." Want to see a really big version of this photo? Click here. NASA hide caption itoggle caption NASA The Two-Way 'Blue Marble 2012': NASA's 'Most Amazing' High Def Image Of Earth So Far January 25, 2012 The space agency's latest composite image of Earth offers a detailed view of North and Central America. It's one in a long line of "Blue Marble" shots since the original was taken by the Apollo 17 crew in 1972.