Study: Liquid CO₂ Shaped Mars' Ancient Terrain

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Liquid carbon dioxide might have shaped Mars' ancient surface alongside water, challenging previous water-only theories.

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MIT scientist Michael Hecht leads groundbreaking research questioning Mars' geological formation through MOXIE instrument findings.

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Mars' dry river channels and lake beds potentially formed through combined action of water and liquid CO2.

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Earth's carbon sequestration studies reveal mineral alterations in liquid CO2 environments, suggesting similar processes on Mars.

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Surface carbonates, phyllosilicates, and sulfates on Mars indicate possible historical presence of liquid CO2.

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Research presents three scenarios: stable surface liquid, basal melting under CO2 ice, and subsurface CO2 reservoirs.

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Mars' colder, lower-pressure environment differs significantly from Earth's carbon sequestration conditions.

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Laboratory testing under Mars-like conditions needed to verify proposed chemical reactions.

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Research suggests complex interaction between different liquids shaped Red Planet's surface features and mineral deposits.

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