Where water will be easiest to find on Mars

The more resources we have to transport to our neighboring planet, the more expensive a manned mission to Mars will be. Current concepts therefore rely on the human inhabitants using the resources that Mars makes available to them. On the one hand, there is the carbon dioxide atmosphere, from which methane can be obtained as fuel for the return flight – and on the other, there are water and ice deposits from which oxygen and drinking water can be obtained.

It is already known that Mars is not co...