Commander Hadfield has tweeted many photographs during his time in space. Here are a few of his tweets. Looking north from our orbit to the forbidding rock and ice of Greenland. pic.twitter.com/v4zoygpQgI — Chris Hadfield (@Cmdr_Hadfield) May 7, 2013 Glacial water burping into the Atlantic in deep Southern Argentina. pic.twitter.com/cRBehZEx — Chris Hadfield (@Cmdr_Hadfield) February 10, 2013 Tonight's Finale: Nature inspires awe - cloud, ice and rock in southern South America. pic.twitter.com/sqCYVSbZTw — Chris Hadfield (@Cmdr_Hadfield) February 24, 2013 Tonight's Finale: Patagonia to the Pacific, the glaciers showing the height of the southern Andes. pic.twitter.com/2eWQCzKKV6 — Chris Hadfield (@Cmdr_Hadfield) April 13, 2013 Strange how the slow flow of glacial ice becomes more visible from here, so far away. pic.twitter.com/SCRkzgBABT — Chris Hadfield (@Cmdr_Hadfield) May 8, 2013 From over the southern tip of S. America, I looked so...