Starship's second flight test postponed until tomorrow. The shuttle, the largest in the world ever built to date, will take off from the SpaceX base in Boca Chica, South Texas on November 18 at 2:00 pm Italian time, with a launch window of approximately 20 minutes. The spacecraft is intended to be used in future missions to the Moon and also to Mars."We have to replace a grid actuator, so the launch...