> Current space hardware development costs range from $100,000/kg for basic, boring LEO hardware up to >$1m/kg for deep space robots such as the Mars Science La

> Current space hardware development costs range from $100,000/kg for basic, boring LEO hardware up to >$1m/kg for deep space robots such as the Mars Science Laboratory rover. A 50 T lunar power system would then cost between $5b and $50b This assumption seems highly dubious. Nearly all of that 50T will be solar panels and batteries that only need to be designed once, meaning the development costs will scale sub-linearly.