Mars Habitability Ancient Life on Mars Microbial Life Subsurface Oceans Mars Exploration Mars Organic Compounds on Mars Life Beyond Earth Water Molecules Habitability Habitability of Exoplanets Exoplanets Galactic Studies Ancient Microbial Life Primitive Lifeforms Martian Conditions Ancient Life Technological Signatures Microbial Life on Mars Extraterrestrial Life Organic Compounds Alien Signals Biosignatures Habitability Criteria Mars Missions Multidisciplinary Approaches Planets and Moons
The model ties core-formation oxygen to surface access to phosphorus and nitrogen, shifting habitability tests toward formation chemistry.