Review of the MEPAG Report on Mars Special Regions (2015) / Chapter Skim
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Appendix C: Glossary
Appendix C: Glossary
Pages 54-58
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From page 54... ...
Anaerobe: An organism that can survive and reproduce in the absence of dissolved oxygen, instead using oxidants such as iron and sulfur compounds in energy metabolism. Aqueous: Of or containing water, typically as a solvent or medium.
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From page 55... ...
Extremophile: A microorganism capable of growing under extreme physical and chemical conditions such as high temperatures, pressures, and acidity. Forward contamination: The biological contamination of an extraterrestrial body by terrestrial organisms inadvertently carried aboard a spacecraft.
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From page 56... ...
This allows for inheritance of genetic information between distantly related lineages outside the vertical inheritance pathway implicit in cell division. Hydrogenoclastic methanogenesis (Wood-Ljungdahl Pathway)
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Recurring Slope Lineae (RSL) : Narrow, dark markings on steep slopes in the equatorial regions of Mars that appear and incrementally lengthen during warm seasons and fade in cold seasons.
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From page 58... ...
Water activity is defined as the ratio of the partial pressure of water vapor associated with a system to that of pure water at the same temperature. As such, water activity is related to relative humidity expressed as a fraction.
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