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This month marks 20 years since the first residents arrive to occupy the International Space Station (ISS), which has been inhabited ever since. Dr Alice Gorman, an Associate Professor from Flinders University who specialises in space archaeology, says the orbiting habitat is the ideal "natural laboratory" to understand how societies function beyond earth. She joins the show to discuss what we have learned from two decades in space.
NASA astronauts Andrew Morgan and Jessica Meir photographing earth from the International Space Station. Photo: NASA