This may be more relevant to the Mars Colonization thread, but I did some thinking about space based solar today. Space Based Solar has a number of advantages compared to Earth Based Solar, but it suffers from the critical problem that it has to be significantly better in order to offset the cost of launching it into space, even with the potential maturity of fully reusable super heavy launch vehicles. At Mars, however, in certain respects, the inverse can be true: It can be cheaper to get