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diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/eclss-life-support-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/eclss-en.png</image:loc><image:title>ECLSS on Mars: air, CO₂, water and an atmosphere that cannot stop</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>ECLSS on Mars: air, CO₂, water and an atmosphere that cannot stop</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/eclss-support-vie-en.svg</image:loc><image:title>ECLSS on Mars: air, CO₂, water and an atmosphere that cannot stop — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/economy-financing-trade-mars-colony.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/martian-city-aerial.jpg</image:loc><image:title>How can a Martian city develop a real economy?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-economy-en.svg</image:loc><image:title>How can a Martian city develop a real economy?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/edl-heavy-cargo-landing-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/edl-en.png</image:loc><image:title>EDL on Mars: land heavy cargo without turning the settlement into a hazard 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diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/electrical-microgrid-black-start-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/en-electrical-microgrid-black-start-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-electrical-microgrid-black-start-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-electrical-microgrid-black-start-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/electrolysis-hydrogen-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/hydrogen-electrolysis-en.png</image:loc><image:title>Hydrogen on Mars: water electrolysis, storage and the carbon 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settlement</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/failure-rescue-scenarios-settlement.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Failure and rescue scenarios on Mars: how do we prevent one fault from destroying the settlement?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/mars-defense-in-depth-en.svg</image:loc><image:title>Defense in depth for a Mars settlement: prevent, detect, isolate, continue and 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everything</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/journey-to-mars-transport-entry-descent-landing.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/transport-landing.svg</image:loc><image:title>Sequence showing Earth launch, interplanetary transit, Mars atmospheric entry, powered descent and landing near prepared infrastructure</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/launch-from-pad.jpg</image:loc><image:title>Heavy spacecraft lifting from a launch pad</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/launch-through-clouds.jpg</image:loc><image:title>Spacecraft ascending through dense cloud layers</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/laboratories-science-astrobiology-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/law-constitution-property-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>What law would a Martian society need?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-law-en.svg</image:loc><image:title>What law would a Martian society need?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/live-missions.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/transfer-ship-at-mars.jpg</image:loc><image:title>Space live stream preview</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/transfer-ship-at-mars.jpg</image:loc><image:title>Space live stream preview</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/transfer-ship-at-mars.jpg</image:loc><image:title>Space live stream preview</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/machine-tools-additive-manufacturing-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/mars-colonization-explained.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/mars-colonization-system.svg</image:loc><image:title>Diagram linking transport, landing, life support, power, habitats and settlement growth</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/mars-environment-survival-system.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/mars-environment-en.png</image:loc><image:title>The Martian environment: physical constraints that govern the whole settlement</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>The Martian environment: physical constraints that govern the whole settlement</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/environnement-martien-en.svg</image:loc><image:title>The Martian environment: physical constraints that govern the whole settlement — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/mars-hospital-surgery-pharmacy.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/metallurgy-metals-production-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/methodology-evidence-levels.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/metrology-quality-reliability-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/mineral-resources-prospecting-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/mining-excavation-beneficiation-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/mission-base-settlement-colony-city.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/settlement-growth-stages.jpg</image:loc><image:title>Mission, base, settlement, colony or city on Mars: what is the difference?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/mission-base-colony-city-en.svg</image:loc><image:title>Mission, base, settlement, colony and city ladder</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/mobility-rovers-logistics-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/settlement-growth-stages.jpg</image:loc><image:title>Moving people and tonnes of equipment across Mars</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-mobility-en.svg</image:loc><image:title>Moving people and tonnes of equipment across Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/oxygen-production-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/oxygen-production-en.png</image:loc><image:title>Producing oxygen on Mars: breathing, electrolysis, MOXIE and propellant oxygen</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Producing oxygen on Mars: breathing, electrolysis, MOXIE and propellant oxygen</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/production-oxygene-en.svg</image:loc><image:title>Producing oxygen on Mars: breathing, electrolysis, MOXIE and propellant oxygen — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/partial-gravity-health-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/partial-gravity-en.png</image:loc><image:title>Mars gravity at 0.38 g: health, performance and the major unknowns of long-duration life</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Mars gravity at 0.38 g: health, performance and the major unknowns of long-duration life</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/gravite-partielle-sante-en.svg</image:loc><image:title>Mars gravity at 0.38 g: health, performance and the major unknowns of long-duration life — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/planetary-protection-human-settlement.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Planetary protection: how can humans settle Mars without destroying the search for life?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/planetary-protection-zones-en.svg</image:loc><image:title>Planetary protection zoning around a human Mars settlement</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/planetary-protection-preserving-astrobiology-mars.html</loc><lastmod>2026-08-11</lastmod></url>
<url><loc>https://www.delta-sierra.com/en/mars/power-grid-storage-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/power-grid-en.png</image:loc><image:title>Power on Mars: build a microgrid that can keep a settlement alive and productive</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Power on Mars: build a microgrid that can keep a settlement alive and productive</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/reseau-energie-stockage-en.svg</image:loc><image:title>Power on Mars: build a microgrid that can keep a settlement alive and productive — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/radiation-shielding-shelters-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/radiation-en.png</image:loc><image:title>Radiation on Mars: shielding, storm shelters, dosimetry and protected urban design</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/buried-settlement-overview.jpg</image:loc><image:title>Radiation on Mars: shielding, storm shelters, dosimetry and protected urban design</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/radiations-protection-en.svg</image:loc><image:title>Radiation on Mars: shielding, storm shelters, dosimetry and protected urban design — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/recycling-waste-closed-loops-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Closing the life-support loops of a Martian settlement</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-recycling-en.svg</image:loc><image:title>Closing the life-support loops of a Martian settlement</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/resources-live-missions.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/martian-city-aerial.jpg</image:loc><image:title>A broad Martian city illustrating missions, science, transport and settlement architecture</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/robotics-automation-construction-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Robots before settlers: automating the Martian construction site</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-robotics-en.svg</image:loc><image:title>Robots before settlers: automating the Martian construction site</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/sabatier-methane-propellants-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/sabatier-methane-en.png</image:loc><image:title>Sabatier, methane and Mars propellants: from atmosphere to return fuel</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Sabatier, methane and Mars propellants: from atmosphere to return fuel</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/sabatier-methane-ergols-en.svg</image:loc><image:title>Sabatier, methane and Mars propellants: from atmosphere to return fuel — functional diagram</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/selecting-first-mars-colonists.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/crew-selection.svg</image:loc><image:title>Crew selection diagram balancing technical skills, health, psychology, teamwork, diversity and governance legitimacy</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/solar-nuclear-power-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Solar or nuclear power on Mars: what architecture can support a settlement?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/hybrid-mars-power-en.svg</image:loc><image:title>Hybrid Mars power architecture with solar, fission, storage and a microgrid</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/spares-logistics-strategic-reserves-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/en-spares-logistics-strategic-reserves-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-spares-logistics-strategic-reserves-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-spares-logistics-strategic-reserves-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/surface-infrastructure-roads-landing-pads-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/en-surface-infrastructure-roads-landing-pads-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-surface-infrastructure-roads-landing-pads-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-surface-infrastructure-roads-landing-pads-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/terraforming-mars-vs-building-habitats.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/terraforming-vs-habitats.svg</image:loc><image:title>Comparison 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terraforming</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/thermal-control-waste-heat-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/en-thermal-control-waste-heat-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-thermal-control-waste-heat-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-thermal-control-waste-heat-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/topics-index.html</loc><lastmod>2026-08-10</lastmod></url><url><loc>https://www.delta-sierra.com/en/mars/underground-habitats-first-mars-colony.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/habitat-cross-section.svg</image:loc><image:title>Cross-section 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Earth</image:title></image:image></url><url><loc>https://www.delta-sierra.com/en/mars/workforce-shifts-human-factors-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/en-workforce-shifts-human-factors-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-workforce-shifts-human-factors-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/en-workforce-shifts-human-factors-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/martian-city-aerial.jpg</image:loc><image:title>Illustration consacrée à comprendre la colonisation de 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spatial</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/agriculture-avancee-semences-nutriments-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/agriculture-serres-alimentation-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/greenhouse-public-life.jpg</image:loc><image:title>Nourrir une colonie martienne sans dépendre entièrement de la Terre</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-agriculture-fr.svg</image:loc><image:title>Nourrir une colonie martienne sans dépendre entièrement de la Terre</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/alliages-traitements-thermiques-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/atmosphere-interieure-pression-co2-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/atmosphere-interieure-pression-co2-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/atmosphere-interieure-pression-co2-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/atmosphere-interieure-pression-co2-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/biosecurite-microbiomes-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/chimie-industrielle-fertilisants-polymeres-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/colonisation-mars-expliquee.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/buried-settlement-overview.jpg</image:loc><image:title>Illustration consacrée à aller vivre sur mars : ce que cela implique vraiment</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/mars-colonization-system.svg</image:loc><image:title>Schéma explicatif : Aller vivre sur Mars : ce que cela implique vraiment</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/comment-aller-sur-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/comment-coloniser-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/settlement-growth-stages.jpg</image:loc><image:title>Illustration consacrée à comment pourrait commencer la colonisation de mars ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/colonization-roadmap.svg</image:loc><image:title>Schéma explicatif : Comment pourrait commencer la colonisation de Mars ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/comment-fonctionne-cite-martienne.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/cite-martienne-systemes-fr.png</image:loc><image:title>Comment fonctionne une cité martienne ? Le système de systèmes complet</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/martian-city-aerial.jpg</image:loc><image:title>Comment fonctionne une cité martienne ? Le système de systèmes complet</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/cite-martienne-systemes-fr.svg</image:loc><image:title>Comment fonctionne une cité martienne ? Le système de systèmes complet — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/communications-navigation-autonomie-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/martian-city-aerial.jpg</image:loc><image:title>Communiquer avec la Terre quand la réponse peut prendre des dizaines de minutes</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-communications-fr.svg</image:loc><image:title>Communiquer avec la Terre quand la réponse peut prendre des dizaines de minutes</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/construction-materiaux-regolithe-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/buried-settlement-overview.jpg</image:loc><image:title>Construire une ville martienne avec des matériaux locaux</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-construction-fr.svg</image:loc><image:title>Construire une ville martienne avec des matériaux locaux</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/controle-thermique-rejet-chaleur-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/controle-thermique-rejet-chaleur-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/controle-thermique-rejet-chaleur-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/controle-thermique-rejet-chaleur-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/cout-calendrier-colonie-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/launch-from-pad.jpg</image:loc><image:title>Illustration consacrée à calendrier et coût d’une première colonie martienne</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/capability-gates.svg</image:loc><image:title>Schéma explicatif : Calendrier et coût d’une première colonie martienne</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/de-la-base-a-la-ville.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/settlement-growth-stages.jpg</image:loc><image:title>Illustration consacrée à comment une base martienne devient-elle une ville ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/base-to-city.svg</image:loc><image:title>Schéma explicatif : Comment une base martienne devient-elle une ville ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/droit-constitution-propriete-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Quel droit pour une société martienne ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-law-fr.svg</image:loc><image:title>Quel droit pour une société martienne ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/eau-glace-extraction-purification-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/eau-glace-mars-fr.png</image:loc><image:title>Eau sur Mars : trouver la glace, l’extraire, la purifier et fermer la boucle</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Eau sur Mars : trouver la glace, l’extraire, la purifier et fermer la boucle</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/eau-glace-purification-fr.svg</image:loc><image:title>Eau sur Mars : trouver la glace, l’extraire, la purifier et fermer la boucle — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/eau-oxygene-nourriture-energie.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Illustration consacrée à les ressources vitales d’une colonie martienne</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/resource-loop.svg</image:loc><image:title>Schéma explicatif : Les ressources vitales d’une colonie martienne</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/eclss-support-vie-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/eclss-fr.png</image:loc><image:title>ECLSS sur Mars : air, CO₂, eau et atmosphère d’un habitat qui ne peut pas s’arrêter</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>ECLSS sur Mars : air, CO₂, eau et atmosphère d’un habitat qui ne peut pas s’arrêter</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/eclss-support-vie-fr.svg</image:loc><image:title>ECLSS sur Mars 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carbone</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Hydrogène sur Mars : électrolyse de l’eau, stockage et boucle carbone</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/electrolyse-hydrogene-fr.svg</image:loc><image:title>Hydrogène sur Mars : électrolyse de l’eau, stockage et boucle carbone — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/electronique-composants-capteurs-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/energie-solaire-nucleaire-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Énergie solaire ou nucléaire sur Mars : quelle architecture pour une implantation humaine ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/energie-hybride-mars-fr.svg</image:loc><image:title>Architecture énergétique hybride solaire, fission, stockage et micro-réseau sur Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/enfants-education-demographie-societe-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/greenhouse-public-life.jpg</image:loc><image:title>Quand une base devient une société : vivre, apprendre et grandir sur Mars</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-education-fr.svg</image:loc><image:title>Quand une base devient une société : vivre, apprendre et grandir sur Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/environnement-martien-systeme-survie.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/environnement-martien-fr.png</image:loc><image:title>Environnement martien : les contraintes physiques qui commandent toute la colonie</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Environnement martien : les contraintes physiques qui commandent toute la colonie</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/environnement-martien-fr.svg</image:loc><image:title>Environnement martien : les contraintes physiques qui commandent toute la colonie — schéma 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Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/hopital-chirurgie-pharmacie-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/hygiene-assainissement-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/hygiene-fr.png</image:loc><image:title>Hygiène sur Mars : se laver, assainir, contenir les microbes et récupérer l’eau</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Hygiène sur Mars : se laver, assainir, contenir les microbes et récupérer l’eau</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/hygiene-assainissement-fr.svg</image:loc><image:title>Hygiène sur Mars : se laver, assainir, contenir les microbes et récupérer l’eau — schéma 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durable</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/informatique-cybersecurite-operations-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/informatique-cybersecurite-operations-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/informatique-cybersecurite-operations-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/informatique-cybersecurite-operations-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/infrastructures-surface-routes-zones-atterrissage-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/infrastructures-surface-routes-zones-atterrissage-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/infrastructures-surface-routes-zones-atterrissage-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/infrastructures-surface-routes-zones-atterrissage-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/ingenierie-colonie-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Illustration consacrée à ingénierie d’une implantation humaine sur mars</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/colonization-roadmap.svg</image:loc><image:title>Schéma explicatif : Ingénierie d’une implantation humaine sur Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/isru-ressources-locales-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>ISRU : utiliser les ressources de Mars au lieu de tout importer</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-isru-fr.svg</image:loc><image:title>ISRU : utiliser les ressources de Mars au lieu de tout importer</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/laboratoires-science-astrobiologie-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/logistique-pieces-rechange-reserves-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/logistique-pieces-rechange-reserves-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/logistique-pieces-rechange-reserves-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/logistique-pieces-rechange-reserves-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/machines-outils-fabrication-additive-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/materiaux-industriels-verre-ceramiques-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/meilleur-site-colonie-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/buried-settlement-overview.jpg</image:loc><image:title>Illustration consacrée à où construire la première colonie martienne ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/landing-site-tradeoffs.svg</image:loc><image:title>Schéma explicatif : Où construire la première colonie martienne ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/metallurgie-production-metaux-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/methodologie-niveaux-preuve.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/metrologie-qualite-fiabilite-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/microreseau-electrique-redemarrage-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/microreseau-electrique-redemarrage-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/microreseau-electrique-redemarrage-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/microreseau-electrique-redemarrage-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/mission-base-implantation-colonie-ville.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/settlement-growth-stages.jpg</image:loc><image:title>Mission, base, implantation, colonie ou ville sur Mars : quelles différences ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/mission-base-colonie-ville-fr.svg</image:loc><image:title>Échelle de mission, base, implantation, colonie et ville sur Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/mobilite-rovers-logistique-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/settlement-growth-stages.jpg</image:loc><image:title>Déplacer des personnes et des tonnes de matériel sur Mars</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-mobility-fr.svg</image:loc><image:title>Déplacer des personnes et des tonnes de matériel sur Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/pourquoi-aller-sur-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/transfer-ship-at-mars.jpg</image:loc><image:title>Illustration consacrée à pourquoi aller sur mars ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/why-go-to-mars.svg</image:loc><image:title>Schéma explicatif : Pourquoi aller sur Mars ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/poussiere-perchlorates-contamination-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>La poussière martienne : un risque sanitaire, mécanique et opérationnel</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-dust-fr.svg</image:loc><image:title>La poussière martienne : un risque sanitaire, mécanique et opérationnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/production-oxygene-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/production-oxygene-fr.png</image:loc><image:title>Produire de l’oxygène sur Mars : respiration, électrolyse, MOXIE et oxygène propulsif</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Produire de l’oxygène sur Mars : respiration, électrolyse, MOXIE et oxygène propulsif</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/production-oxygene-fr.svg</image:loc><image:title>Produire de l’oxygène sur Mars : respiration, électrolyse, MOXIE et oxygène propulsif — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/protection-planetaire-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/protection-planetaire-presence-humaine.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Protection planétaire : comment installer des humains sur Mars sans détruire la recherche de vie ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/protection-planetaire-zones-fr.svg</image:loc><image:title>Zonage de protection planétaire autour d’une implantation humaine sur Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/radiations-protection-abris-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/radiations-fr.png</image:loc><image:title>Radiations sur Mars : blindage, abris solaires, dosimétrie et urbanisme protégé</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/buried-settlement-overview.jpg</image:loc><image:title>Radiations sur Mars : blindage, abris solaires, dosimétrie et urbanisme protégé</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/radiations-protection-fr.svg</image:loc><image:title>Radiations sur Mars : blindage, abris solaires, dosimétrie et urbanisme protégé — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/recyclage-dechets-boucles-fermees-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Fermer les boucles vitales d’une colonie martienne</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-recycling-fr.svg</image:loc><image:title>Fermer les boucles vitales d’une colonie martienne</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/reseau-energie-stockage-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/reseau-energie-fr.png</image:loc><image:title>Énergie sur Mars : construire un micro-réseau capable de faire survivre et produire une cité</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/water-oxygen-production.jpg</image:loc><image:title>Énergie sur Mars : construire un micro-réseau capable de faire survivre et produire une cité</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/reseau-energie-stockage-fr.svg</image:loc><image:title>Énergie sur Mars : construire un micro-réseau capable de faire survivre et produire une cité — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/ressources-minerales-prospection-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/ressources-officielles.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/transfer-ship-at-mars.jpg</image:loc><image:title>Illustration consacrée à sources officielles, données et chaînes pour suivre mars</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/mars-colonization-system.svg</image:loc><image:title>Schéma explicatif : Sources officielles, données et chaînes pour suivre Mars</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/robotique-automatisation-chantier-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Des robots avant les colons : automatiser le chantier martien</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/bible-robotics-fr.svg</image:loc><image:title>Des robots avant les colons : automatiser le chantier martien</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/sabatier-methane-ergols-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/sabatier-methane-fr.png</image:loc><image:title>Sabatier, méthane et ergols sur Mars : de l’atmosphère au carburant de retour</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Sabatier, méthane et ergols sur Mars : de l’atmosphère au carburant de retour</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/sabatier-methane-ergols-fr.svg</image:loc><image:title>Sabatier, méthane et ergols sur Mars : de l’atmosphère au carburant de retour — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/sante-medecine-radiations.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Illustration consacrée à que ferait mars au corps humain ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/health-risks.svg</image:loc><image:title>Schéma explicatif : Que ferait Mars au corps humain ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/sas-eva-scaphandres-poussiere-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/sas-eva-scaphandres-poussiere-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/sas-eva-scaphandres-poussiere-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/sas-eva-scaphandres-poussiere-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/scenarios-echec-secours-implantation.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/habitat-interior.jpg</image:loc><image:title>Scénarios d’échec et secours sur Mars : comment empêcher une panne de détruire toute l’implantation ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/defense-profondeur-mars-fr.svg</image:loc><image:title>Défense en profondeur d’une implantation martienne : prévenir, détecter, isoler, continuer et réparer</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/selection-premiers-colons.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/crew-in-transit.jpg</image:loc><image:title>Illustration consacrée à qui devrait partir vivre sur mars ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/crew-selection.svg</image:loc><image:title>Schéma explicatif : Qui devrait partir vivre sur Mars ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/stockage-cryogenique-ergols-mars.html</loc><lastmod>2026-08-10</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/cryogenie-fr.png</image:loc><image:title>Stockage cryogénique sur Mars : conserver LOX, méthane et hydrogène sans perdre le retour</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/surface-operations-near-city.jpg</image:loc><image:title>Stockage cryogénique sur Mars : conserver LOX, méthane et hydrogène sans perdre le retour</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/stockage-cryogenique-fr.svg</image:loc><image:title>Stockage cryogénique sur Mars : conserver LOX, méthane et hydrogène sans perdre le retour — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/terraformation-ou-habitats.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/martian-city-aerial.jpg</image:loc><image:title>Illustration consacrée à faut-il terraformer mars ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/terraforming-vs-habitats.svg</image:loc><image:title>Schéma explicatif : Faut-il terraformer Mars ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/transport-terre-mars-architecture.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20190/transport-fr.png</image:loc><image:title>Transport Terre–Mars : fenêtres de départ, fret, équipages, propulsion et architecture de flotte</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/transfer-ship-at-mars.jpg</image:loc><image:title>Transport Terre–Mars : fenêtres de départ, fret, équipages, propulsion et architecture de flotte</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/systems-v20190/transport-terre-mars-fr.svg</image:loc><image:title>Transport Terre–Mars : fenêtres de départ, fret, équipages, propulsion et architecture de flotte — schéma fonctionnel</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/travail-equipes-facteurs-humains-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/social-v20230/travail-equipes-facteurs-humains-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/travail-equipes-facteurs-humains-mars.png</image:loc></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams-v20230/travail-equipes-facteurs-humains-mars-architecture.png</image:loc></image:image></url><url><loc>https://www.delta-sierra.com/mars/urbanisme-quartiers-pressurises-mars.html</loc><lastmod>2026-08-11</lastmod></url><url><loc>https://www.delta-sierra.com/mars/vie-quotidienne-sur-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/greenhouse-public-life.jpg</image:loc><image:title>Illustration consacrée à à quoi ressemblerait la vie quotidienne sur mars ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/daily-life-cycle.svg</image:loc><image:title>Schéma explicatif : À quoi ressemblerait la vie quotidienne sur Mars ?</image:title></image:image></url><url><loc>https://www.delta-sierra.com/mars/voyage-vers-mars.html</loc><lastmod>2026-08-11</lastmod><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/illustrations/crew-in-transit.jpg</image:loc><image:title>Illustration consacrée à comment voyager vers mars et y atterrir ?</image:title></image:image><image:image><image:loc>https://www.delta-sierra.com/mars-assets/img/mars/diagrams/transport-landing.svg</image:loc><image:title>Schéma explicatif : Comment voyager vers Mars et y atterrir ?</image:title></image:image></url></urlset>