Pioneering Mars: Turning the Red Planet Green

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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 - PowerPoint PPT Presentation

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Pioneering Mars: Turning the Red Planet Green

Project Overviewand the Planetary Conditions of Mars

Scott P. Milroy, Ph.D.USM Department of Marine Science29-31 October 2012

Pioneering Mars:

Turning the Red Planet Green

BAKERST STANPioneering Mars Project Overview

Julie Cwikla, Ph.D.Professor & Director of CISSTEMUniversity of South AlabamaScott Milroy, Ph.D.Assistant Professor of Marine ScienceUniversity of Southern Mississippi

Pioneering Mars Project Overview

Pioneering Mars Project Overview

Pioneering Mars Project Overview

Pioneering Mars Project Overview

Planetary Conditions Earth-Mars Comparisons

EARTHMARS

Mean Diameter7,926 miles4,222 miles(53.3% Earth Diameter)

Mean Surface Gravity9.8 m/s23.675 m/s2(0.375 G)

Mean Distance to Sun92,955,820 miles142,633,260 miles(1.53 AU)

Mean Solar Irradiance1350 W/m2590 W/m2(43.7% Earth Insolation)

Length of Year365.25 days687 Earth days(1.88 Earth years)

Length of Day23.9 hours24.6 hours

Planetary Conditions Earth-Mars Comparisons

EARTHMARS

Mean Atm. Pressure1,013 millibars7.5 millibars(4 10 millibars)

Atmospheric CompositionN2 (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:-89 C min (-128 F)-87 C min (-125 F)58 C max (136 F) 20 C max (68 F)

Planetary Conditions Earth-Mars Comparisons

Phase Diagram for WaterThe Triple Point of H2O

Phase Diagram for WaterThe Triple Point of H2O

Critical Experimental RangeTemperature: 0.1 8 CPressure: 6.2 10 mbar

Why Antarctic Cyanobacteria?Picking Our Pioneers

Can Survive Freeze/Thaw Cycles High Photosynthesis in Low Light Rapid Growth in Extreme Conditions Thought to be Earths First Terraformers