Planetary protection, sample return missions and Mars exploration: History, status, and future needs

Details Planetary protection, sample return missions and Mars exploration: History, status, and future needs Planetary protection, sample return missions and Mars exploration: History, status, and future needs

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jgr...10328577d&link_type=abstract

Journal of Geophysical Research, Volume 103, Issue E12, p. 28577-28586

Physics

9

Planetology: Solar System Objects: Mars, Policy Sciences: System Design

Scientific paper

As the prospect grows for a Mars sample return mission early in the next millennium, it will be important to ensure that appropriate planetary protection (PP) controls are incorporated into the mission design and implementation from the start. The need for these PP controls is firmly based on scientific considerations and backed by a number of national and international agreements and guidelines aimed at preventing harmful cross contamination of planets and extraterrestrial bodies. The historical precedent for the use of PP measures on both unmanned and manned missions traces from post-Sputnik missions to the present, with periodic modifications as new information was obtained. In consideration of the anticipated attention to PP questions by both the scientific/technical community and the public, this paper presents a comprehensive review of the major issues and problems surrounding PP for a Mars Sample Return (MSR) mission, including an analysis of arguments that have been raised for and against the imposition of PP measures. Also discussed are the history and foundations for PP policies and requirements; important research areas needing attention prior to defining detailed PP requirements for a MSR mission; and legal and public awareness issues that must be considered with mission planning.

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