Inner Space

02 Gernot Grömer, co-founder of the Austrian Space Forum

03 An analogue astronaut outside Kepler Station, searching for subsurface water

04 Visiting Omani dignitaries watch an astronaut suit up in preparation for a mission in the desert

05 Astronauts train to offset the loss of muscle and bone density that results from zero gravity

06 Leg and arm braces mimic the forces of Mars