Preventing the forward contamination of Europa / Task Group on the Forward Contamination of Europa, Space Studies Board, Commission on Physical Sciences, Mathematics, and Applications, National Research Council.
Material type:
TextPublication details: Washington, D.C. : National Academy Press, ©2000.Description: 1 online resource (xii, 41 pages) : illustrationsContent type: - text
- computer
- online resource
- 0309575540
- 9780309575546
- Europa (Satellite)
- Space vehicles -- Sterilization
- Microbial contamination
- Contamination (Technology)
- Europe (Satellite)
- Contamination
- contamination
- SCIENCE -- Astronomy
- Microbial contamination
- Space vehicles -- Sterilization
- Jupiter (Planet) -- Europa (Satellite)
- PLANETARY ENVIRONMENTS
- PLANETARY RADIATION
- SPACECRAFT CONTAMINATION
- DECONTAMINATION
- JUPITER SATELLITES
- SPACECRAFT STERILIZATION
- 523.985 22
- QB404 .P74 2000eb
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"Support for this project was provided by Contract NASW 96013 between the National Academy of Sciences and the National Aeronautics and Space Administration"--Page [ii].
Includes bibliographical references.
Print version record.
Preventing the Forward Contamination of Europa -- Copyright -- Foreword -- Preface -- Contents -- Executive Summary -- 1 Planetary Protection Policies -- HISTORY -- PROTECTING MARS -- BOX 1.1 VIKING'S APPROACH TO BIOLOAD REDUCTION -- Presterilization -- Sterilization -- REFERENCES -- 2 Europa -- EUROPA EXPLORATION STRATEGY -- EUROPA'S RADIATION ENVIRONMENT -- REFERENCES -- 3 Life in Extreme Environments -- EXTREMOPHILES -- EXTREME ENVIRONMENTS -- REFERENCES -- 4 Sterilization and Cleaning Methods -- CLEANING AND STERILIZATION STANDARDS -- ACHIEVING THE STANDARDS.
BOX 4.1 CURRENT CLEAN-ROOM PROCEDURES -- REFERENCE -- 5 Microbial Detection and Identification -- REFERENCES -- 6 Recommended Planetary Protection Strategy for Europa -- PLANETARY PROTECTION STRATEGY FOR EUROPA -- MAJORITY AND MINORITY VIEWPOINTS -- Applicability of the Current Planetary Protection Strategies to Europa -- Survival of Terrestrial Microbes on Europa -- CONCLUSIONS -- REFERENCES -- 7 Conclusions and Recommendations -- Appendixes -- A Calculating the Probability of Contamination, Pc, -- A SAMPLE METHODOLOGY -- Microbial Populations On Spacecraft.
F1-Total Number of Cells Relative to Cultured Cells -- F2-Bioburden Reduction Treatment -- F3-Cruise Survival Fraction -- F4-Radiation Survival -- F5-Probability of Landing at an Active Site -- F6-Burial Fraction -- F7-Probability That an Organism Survives and Proliferates -- F7a-Survivability of Exposure Environments -- F7b-Availability of Nutrients -- F7c-Suitability of Energy Sources -- F7d-Suitability for Active Growth -- Joint Probability for F7 -- Conclusions from the Illustrative Calculation -- REFERENCES -- B Glossary.
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