Its all bull**** to keep up interest in the space programme and keep the funding going. If they deduced that the planet had previously never harboured life and would never be able to support life and would be completely uninhabitable it would be the end of the agency. "well that was fun, lets go home"
They should put you in charge of the International moaning ****s club.. NASA put a radio controlled car on the mars and landed it on mini thruster things what`s not to like? please log in to view this image
Because there are loads of moons, most planets have a few. But The Moon is our Moon, so it's The Moon.