Spacecraft Sterilization Technology PDF Download
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Author:
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Category : Space medicine
Languages : en
Pages : 644
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Author:
Publisher:
ISBN:
Category : Space medicine
Languages : en
Pages : 644
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 650
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Author: National Research Council
Publisher: National Academies Press
ISBN: 030909724X
Category : Science
Languages : en
Pages : 166
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Book Description
Recent spacecraft and robotic probes to Mars have yielded data that are changing our understanding significantly about the possibility of existing or past life on that planet. Coupled with advances in biology and life-detection techniques, these developments place increasing importance on the need to protect Mars from contamination by Earth-borne organisms. To help with this effort, NASA requested that the NRC examine existing planetary protection measures for Mars and recommend changes and further research to improve such measures. This report discusses policies, requirements, and techniques to protect Mars from organisms originating on Earth that could interfere with scientific investigations. It provides recommendations on cleanliness and biological burden levels of Mars-bound spacecraft, methods to reach those levels, and research to reduce uncertainties in preventing forward contamination of Mars.
Author: George C. Marshall Space Flight Center
Publisher:
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Category : Orbiting astronomical observatories
Languages : en
Pages : 806
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Book Description
Design optics and technology for large spaceborne astronomical telescopes.
Author:
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Category : Aviation medicine
Languages : en
Pages : 472
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Author:
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ISBN:
Category : Space biology
Languages : en
Pages : 486
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Author:
Publisher:
ISBN:
Category : Space biology
Languages : en
Pages : 486
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Author:
Publisher: National Academies
ISBN:
Category : Aeronautics
Languages : en
Pages : 612
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Author: Michael Meltzer
Publisher: Government Printing Office
ISBN: 0160897459
Category : Science
Languages : en
Pages : 461
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PRINT FORMAT ONLY NOTE: NO FURTHER DISCOUNT FOR THIS PRINT PRODUCT- OVERSTOCK SALE -- Significantly reduced list price This new book from the NASA History Series tackles an interesting duo of biological problems that will be familiar to anybody who has seen photos of Apollo astronauts quarantined after their return to Earth. Namely, how do we avoid contaminating celestial bodies with Earthly germs when we send spacecraft to study these bodies, and how do we avoid spreading foreign biological matter from space when our robotic and human spacefarers return to Earth? Biological matter from an external system could potentially cause an unchecked epidemic either on Earth or in space so strict precautions are necessary. Each time a space vehicle visits another world it runs the risk of forever changing that extraterrestrial environment. We are surrounded on Earth by a mélange of different microorganisms, and if some of these hitchhike onboard a space mission, they could contaminate and start colonies on a different planet. Such an occurrence would irrevocably alter the nature of that world, compromise all future scientific exploration of the body, and possibly damage any extant life on it. By inadvertently carrying exotic organisms back to Earth on our spacecraft, we also risk the release of biohazardous materials into our own ecosystem. Such concerns were recognized by scientists even before the 1957 launch of Sputnik. This book presents the history of planetary protection by tracing the responses to the above concerns on NASA’s missions to the Moon, Mars, Venus, Jupiter, Saturn, and many smaller bodies of our solar system. The book relates the extensive efforts put forth by NASA to plan operations and prepare space vehicles that return exemplary science without contaminating the biospheres of other worlds or our own. To protect irreplaceable environments, NASA has committed to conducting space exploration in a manner that is protective of the bodies visited, as well as of our own planet.
Author: Peter Henry Andrews Sneath
Publisher:
ISBN:
Category : Space vehicles
Languages : en
Pages : 320
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Book Description
