A man photographs the model in scale 1:3 of the landing unit Schiaparelli of the European-Russian ExoMars 2016 mission at the European Space Agency (ESA) space operation center (ESOC) in Darmstadt, Germany, on October 19, 2016. 
Europe is set to place a small lander on Mars and a gas-sniffing craft in its orbit as part of a mission with Russia to scour the Red Planet for signs of life. / AFP / THOMAS KIENZLE        (Photo credit should read THOMAS KIENZLE/AFP via Getty Images)