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Pioneering Mars: Turning the Red Planet Green

ST STAN. BAKER. Pioneering Mars: Turning the Red Planet Green. Project Overview a nd the Planetary Conditions of Mars Scott P. Milroy, Ph.D. USM Department of Marine Science 29-31 October 2012. Pioneering Mars Project Overview. Scott Milroy, Ph.D. Assistant Professor of Marine Science

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Pioneering Mars: Turning the Red Planet Green

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  1. ST STAN BAKER Pioneering Mars:Turning the Red Planet Green Project Overview and the Planetary Conditions of Mars Scott P. Milroy, Ph.D. USM Department of Marine Science 29-31 October 2012

  2. Pioneering Mars Project Overview Scott Milroy, Ph.D. Assistant Professor of Marine Science University of Southern Mississippi Julie Cwikla, Ph.D. Professor & Director of CISSTEM University of South Alabama

  3. Pioneering Mars Project Overview

  4. Pioneering Mars Project Overview

  5. Pioneering Mars Project Overview

  6. Pioneering Mars Project Overview

  7. Planetary Conditions Earth-Mars Comparisons

  8. Planetary Conditions Earth-Mars Comparisons EARTHMARS Mean Diameter 7,926 miles 4,222 miles (53.3% Earth Diameter) Mean Surface Gravity 9.8 m/s2 3.675 m/s2 (0.375 G) Mean Distance to Sun 92,955,820 miles 142,633,260 miles (1.53 AU) Mean Solar Irradiance 1350 W/m2590 W/m2 (43.7% Earth Insolation) Length of Year 365.25 days687 Earth days (1.88 Earth years) Length of Day 23.9 hours 24.6 hours

  9. Planetary Conditions Earth-Mars Comparisons EARTHMARS Mean Atm. Pressure 1,013 millibars7.5 millibars (4 – 10 millibars) Atmospheric Composition N2 (77%) CO2 (95.3%) O2 (21%) N2 (2.7%) Ar (1%)Ar (1.6%) CO2 (0.038%)O2 (0.13%) Partial Pressure CO2: 0.38 mb CO27.15 mb CO2 (18.8X Earth CO2) Surface Temperatures: -89⁰ C min (-128⁰ F)-87⁰ C min (-125⁰ F) 58⁰ C max (136⁰ F) 20⁰C max (68⁰ F)

  10. Phase Diagram for Water The Triple Point of H2O

  11. Phase Diagram for Water The Triple Point of H2O Critical Experimental Range Temperature: 0.1 – 8⁰ C Pressure: 6.2 – 10 mbar

  12. Why Antarctic Cyanobacteria? Picking Our Pioneers • Can Survive Freeze/Thaw Cycles • High Photosynthesis in Low Light • Rapid Growth in Extreme Conditions • Thought to be Earth’s First Terraformers

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