Mars mission ends in MoscowTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoDana Eichhorst11/04/2011November 4, 2011Six astronauts have been welcomed back to planet Earth after simulating an 18 month mission to Mars. The experiment aimed to investigate the effects of long-term space travel.https://p.dw.com/p/RuptAdvertisement