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Record 14 of 134
Microbial survival in deep space environment.
Author and Affiliation:
Silverman, G. J.(U.S. Army, Natick Laboratories, Natick, Mass., United States)
Abstract: Review of the knowledge available on the extent to which microorganisms (mainly microbial spores, vegetative cells, and fungi) are capable of surviving the environment of deep space, based on recent simulation experiments of deep space. A description of the experimental procedures used is followed by a discussion of deep space ecology, the behavior of microorganisms in ultrahigh vacuum, and factors influencing microbial survival. It is concluded that, so far, simulation experiments have proved far less lethal to microorganisms than to other forms of life. There are, however, wide gaps in the knowledge available, and no accurate predictions can as yet be made on the degree of lethality that might be incurred by a microbial population on a given mission. Therefore, sterilization of spacecraft surfaces is deemed necessary if induced panspermia (i.e., interplanetary life propagation) is to be avoided.
Publication Date: Jan 01, 1971
Document ID:
19720027157
(Acquired Dec 04, 1995)
Accession Number: 72A10823
Subject Category: BIOTECHNOLOGY
Document Type: Collected Works
Publication Information: (SEE A72-10817 01-05)
Publisher Information: United States
Contract/Grant/Task Num: NSR-09-010-027
Financial Sponsor: NASA; United States
Description: 15p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: DEEP SPACE; ECOLOGY; MICROORGANISMS; SPACE ENVIRONMENT SIMULATION; SURVIVAL; EXTRATERRESTRIAL LIFE; GAMMA RAYS; RADIATION EFFECTS; SPACECRAFT STERILIZATION; TEMPERATURE EFFECTS; VACUUM EFFECTS; VIABILITY
Imprint And Other Notes: (Environmental Biology and Medicine, vol. 1, 1971, p. 83-97.) In: Planetary quarantine: Principles, methods, and problems. (A72-10817 01-05) New York, Gordon and Breach, Science Publishers, Inc., 1971, p. 83-97.
Availability Source: Other Sources
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