In 1988, Afghanistan sent its first cosmonaut into space. Yes, really. Abdul Ahad Momand went where no Afghan had gone before — or has gone since — making Pashto the fourth language ever spoken beyond Earth. So why does barely anyone remember his name, his journey, or the hope it sparked among fellow Afghans at the time? Part of the answer may lie in timing: just as the spaceflight took place, Afghanistan was on the brink of civil war, a conflict that would soon force millions of its people into exile. As a new film argues, the country’s story has been shaped by conflict, exile and diaspora ever since, with science, culture and ideas…