 ... primary focus of the program. (4) Avoiding the contamination of Mars: a major mission constraint. — Before proceeding to other aspects of the undertaking, we are concerned to single out from the many and diverse problems that Martian exploration...  Significant Achievements in Space Science 1967 - الصفحة 60بواسطة United States. National Aeronautics and Space Administration. Scientific and Technical Information Division - 1968 - عدد الصفحات: 557عرض كامل - لمحة عن هذا الكتاب
 | United States. Congress. Senate. Aeronautical and Space Sciences - 1965 - عدد الصفحات: 440
...and diverse problems that Martian exploration will entail, the task of prevention of contamination. Contamination of the Martian surface with terrestrial...mankind to pursue a study of extraterrestrial life. Thus, while we are eager to press Martian exploration as expeditiously as the technology and other... | |
 | United States. Congress. Senate. Committee on Aeronautical and Space Sciences - 1966 - عدد الصفحات: 780
...and diverse problems that Martian exploration will entail, the task of prevention of contamination. Contamination of the Martian surface with terrestrial...mankind to pursue a study of extraterrestrial life. Thus, while we are eager to press Martian exploration as expeditiously as the technology and other... | |
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