*Astronauts emerge out of a 520-day simulated flight to Mars* Read more at: http://www.ndtv.com/article/world/astronauts-emerge-out-of-a-520-day-simulated-flight-to-mars-147025?pfrom=home-topstories&cp
-- With best wishes S Chander
*Astronauts emerge out of a 520-day simulated flight to Mars* Read more at: http://www.ndtv.com/article/world/astronauts-emerge-out-of-a-520-day-simulated-flight-to-mars-147025?pfrom=home-topstories&cp
-- With best wishes S Chander