After 45 Days, Volunteers Emerge From Most Realistic Mars Simulation Yet
A four - soul crew has emerged from a simulated Mars military mission , which NASA conducted inside a midget habitat at Johnson Space Center in Houston . The volunteer were keep apart for 45 years , performing undertaking that mimic those of a mission on the Red Planet . The HERA ( Human Exploration Research Analog ) missionwrapped upon Monday , when the hatching was opened to the 650 - square - understructure habitat , marking the end of over a month of isolation for four voluntary simulate life sentence on Mars ....