While most billionaire entrepreneurs are content to build a single successful company, Elon Musk seeks a higher goal hence created a small army of symbiotic companies, with SpaceX at the center. Essentially Musk plans to transform us into a spacefaring civilization, through coordinated effort from all these companies, not in a century or two but within his lifetime.SpaceX are developing Starship, a super heavy lift spacecraft capable of shuttling settlers to new worlds, such as the...