It will be interesting to see how this plays out but one thing has always confounded me. We haven't even started to figure out how to build a self-sustaining ba

It will be interesting to see how this plays out but one thing has always confounded me. We haven't even started to figure out how to build a self-sustaining base of operations on the moon. We've been there, it is close but we don't know what years of low gravity will do to our bodies. If we can't figure that out, how could we ever go to Mars to set up a permanent colony.