The Two-Way VIDEO: After 520 Days, 'Astronauts' Emerge Following Fake Mars Mission November 4, 2011 The six-man crew was testing how humans would hold up on an 18-month journey to Mars. The men never left the ground in Moscow, but did perform experiments as if they really were on a mission.
Members of the Mars500 crew posing during their Mars500 mission. AFP/Getty Images hide caption toggle caption AFP/Getty Images The Two-Way After 520 Days In Isolation, 'Astronauts' About To End Fake Mission To Mars November 3, 2011 The European Space Agency said the $15 million project proves humans can survive a solitary journey to the red planet. The six volunteers will return to regular life when the hatch of the fake spaceship opens tomorrow.