A year after its rocket accidentally lifted off and then crashed during a test, Beijing-based start-up Space Pioneer has redesigned the vehicle and shown that it can withstand the intense forces of launch.In a recent ground-based test in central China, the company used the rocket’s nine-engine first stage – which produces nearly 900 tonnes of thrust combined – to simulate key mission phases, including fuelling, lift-off, flight and recovery.The structure held up under all test conditions, the...