Four British astronomers in their 70s reunite for a 50th anniversary trek in this deceptive documentary. For what begins as a nostalgic and impeccably polite road trip across America’s South West coalesces into something more profound. Each professor has his turn in the starlight – theoretician Donald, instrument maker Roger, visionary Nick and Wallace (Wal) the observer – as the film’s director Alison Rose gets them to open up about... see more