If the uncrewed test missions succeed, #crewed π¨βπ π©βπ missions are expected in π 2028 https://www.cnet.com/science/space/spacex-plans-5-missions-to-mars-by-2026-elon-musk-says/
"#Mars π΄ serves as a simplified laboratory for testing #climate models and scenarios, without oceans and biology, that we can then use to better understand π€π Earth systems." #Mars can tilt more than Earth, causing the Red Planet's poles to receive more direct sunlight than its midlatitudes, making for longer summer days with higher temperatures https://www.space.com/33001-mars-ice-age-ending-now.html
Only hydrated #minerals as a water source cover the needs to produce propellants and life support #waterπ§. Extraction from #regolith requires autonomous excavation, transport, processing of regolith and water treatment that present significant challenges. #Atmospheric water harvesting suffers from the extremely low residence time of air in the system. Compression is power-intensive πͺ« but can be competitive if the waste heat from the fission reactors is accessible https://www.sciencedirect.com/science/article/pii/S0273117725012864?via%3Dihub#s0185