Comparing Costs to Travel to and Live on Mars Here is a presentation comparing NASA costs and Elon Musk's SpaceX costs to travel to mars and live there? Some of the costs are surprising. What are the budget areas and totals in each area? Using paper and pencil create a data table showing the costs by NASA versus Space X (commercial space). Why do you think America's commercial space (business) is less expensive that NASA? Watch the Prezi below to learn more.