Tags Dr. Geoffrey Landis making oxygen on Mars sample return mission planetary protection future spacecraft design rocket propellant Mars biologicals organics on Mars extremely cold Martian climate Sabatier Reaction Mars 2020 Perseverance Rover The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) plausible commercial Mars missions Humans to Mars centrifugal gravity artificial gravity tethers high temperature reactors thermal issues solid oxide electrolysis zirconium dioxide CO2 temperatures lunar reactors Mars experiments applicable to the Moon insitu resource usage time lines for humans to Mars private sector Mars missions space settlement technologies Martian resources including water 55KM in the Venus atmosphere above the surface Venus balloons Soviet Union missions to Venus space mining Cislunar development tourism lunar tourism orbital tourism why Martian launch windows Venus flyby to Mars Titan and Europa for life Europa ocean phosphene in the clouds of Guest Dr. Geoffrey Landis Tagline Dr. Landis returns to talk making oxygen on Mars, science fiction, and lots more." View the discussion thread.