Until people want to go to space and especially other planets. Get the cost down and many people will pay their own way. This is Elon Musk's goal for SpaceX. Ti

Until people want to go to space and especially other planets. Get the cost down and many people will pay their own way. This is Elon Musk's goal for SpaceX. Tim Urban gives a good explanation here[1]. [1]https://waitbutwhy.com/2015/08/how-and-why-spacex-will-colonize-mars.html https://waitbutwhy.com/2015/08/how-and-why-spacex-will-colon...