MARS-500 was an isolation experiment conducted in Moscow to study the effects of long-term isolation for a possible future crewed flight to Mars. An international crew of six was kept in an isolated facility for 520 days, between June 2010 and November 2011.

MARS-500 was an isolation experiment conducted in Moscow to study the effects of long-term isolation for a possible future crewed flight to Mars. An international crew of six was kept in an isolated facility for 520 days, between June 2010 and November 2011.