Now we know why Starship's second flight test failed

SpaceX is often in the headlines; unfortunately, it is not always good news. On 18 November we saw the second of the Starship and SuperHeavy booster get off the launchpad successfully; it failed before reaching orbit. In a recent event, Elon Musk explained how a fuel venting near the end of the burn was responsible but entirely avoidable next time.