Elon Musk is already dreaming of a gargantuan ‘next-generation’ Starship. If built, the rocket’s body would be wider than an NBA basketball court.
SpaceX is working on building a fully reusable rocket-and-spaceship system called Starship. Based on a presentation given by company founder Elon Mus k in September 2018, the finished rocket may stand about 387 feet (118 meters) tall and 30 feet (9 meters) wi…