صوت مشترک

oxygen they carried and the need to return before fatigue set in. A pressurized rover changes that equation. Crews could venture tens of kilometres from the lander and stay out for days, mapping the polar terrain in detail, finding new ice deposits, understanding the topography in ways that orbital sensors alone cannot achieve. Further missions begin to ask bigger questions. Can water ice be extracted from the permanently shadowed regions in useful quantities? Can it be filtered, purified, and