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Tag Archives: CO2
Mars hasn’t enough CO2 for terraforming
A new study of the quantity of carbon dioxide on Mars has compiled a planet-wide inventory of the CO2 it holds in all its accessible reservoirs: atmosphere, ice, and locked up in surface carbonate rocks and other potential sources. The … Continue reading
Posted in Reports
Tagged atmosphere, atmospheric escape, atmospheric pressure, carbon dioxide, carbonate minerals, CO2, Mars Atmosphere and Volatile EvolutioN, MAVEN, NASA, terraforming, University of Colorado
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Curiosity findings from Yellowknife Bay sharpen CO2 paradox of ancient Mars climate
Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet’s surface. Yet, the ancient sun was about one-third less warm and climate modelers struggle to produce scenarios … Continue reading
Posted in Reports
Tagged Aeolis Mons, atmosphere, CO2, Curiosity, faint young Sun paradox, Gale Crater, lakes, life, Mars Science Laboratory, Mount Sharp, MSL, NASA, Sheepbed member, water, Yellowknife Bay
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Was nitrogen in the early Mars atmosphere a key to ancient habitability?
Scientists have long suspected that ancient Mars had a thicker atmosphere and temperatures warmer and far more habitable than at present. But modelers have difficulties making the numbers come out right,
Posted in Reports
Tagged atmosphere, carbon dioxide, climate, climate change, CO2, early Mars, habitability, N2, nitrogen, water, water vapor
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