Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | NASA-CR-190819, NAS 1.26:190819 |
| 来源ID | NTRS_Document_ID: 19920024503 |
| Biological Contamination of Mars: Issues and Recommendations | |
| [unavailable] | |
| 英文摘要 | The ad hoc Task Group on Planetary Protection formed by the Space Studies Board (SSB) of the National Research Council focused on making recommendations concerning the protection of Mars from forward contamination (i.e., Earth to Mars) during upcoming missions by both the United States and the former Soviet Union. In so doing, it distinguished between missions whose goals include reconnaissance and measurement and those that specifically include experiments to detect life. The task group also discussed what additional knowledge will be needed in order to assure that future recommendations regarding contamination of Earth from Mars might be made with a higher degree of certainty than is now possible. Following a short introduction to the rationale underlying planetary exploration (Chapter 1) is a brief summary of approved and contemplated missions to Mars (Chapter 2). Chapter 3 briefly reviews the state of knowledge in several areas pertinent to the problem of planetary protection, in the limits of life on Earth and the abilities of known terrestrial organisms to withstand extreme environment conditions, as well as new approaches to detecting life forms. Chapter 5 includes a review and comments (made in light of current knowledge)- on the recommendations made in 'Recommendations on Quarantine Policy for Mars, Jupiter, Saturn, Uranus, Neptune, and Titan'. Updates to the recommendations made in 1978 are also given in Chapter 5. Chapter 6 gives additional recommendations concerning collection of essential data, spacecraft sterilization and bioburden assessment, and future research, as well as legal and social issues and NASA's overall planetary protection program. |
| 英文关键词 | BIOLOGICAL EFFECTS CONTAMINATION EXOBIOLOGY EXTRATERRESTRIAL LIFE MARS ENVIRONMENT MARS SURFACE SAMPLES PROTECTION SPACE EXPLORATION EXTRATERRESTRIAL MATTER MARS SAMPLE RETURN MISSIONS NEPTUNE (PLANET) PLANETARY QUARANTINE RECONNAISSANCE URANUS (PLANET) |
| 出版年 | 1992 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| URL | http://hdl.handle.net/2060/19920024503 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/259194 |
| 推荐引用方式 GB/T 7714 | [unavailable]. Biological Contamination of Mars: Issues and Recommendations,1992. |
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