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Author: Patrick Moore
Publisher: Philip's
ISBN:
Category : Science
Languages : en
Pages : 74
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Book Description
Author: Patrick Moore
Publisher: Philip's
ISBN:
Category : Science
Languages : en
Pages : 74
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Book Description
Author:
Publisher:
ISBN:
Category : Readers
Languages : en
Pages : 266
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Book Description
Author: Michael Meltzer
Publisher: Government Printing Office
ISBN: 0160897459
Category : Science
Languages : en
Pages : 475
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Book Description
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: Sheila Kathleen McCullagh
Publisher:
ISBN: 9780247644311
Category : Readers (Primary)
Languages : en
Pages : 32
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Book Description
Author: Sheila K. McCullagh
Publisher:
ISBN:
Category : Science fiction
Languages : en
Pages : 34
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Book Description
Author: United States. Congress. Senate. Committee on Aeronautical and Space Sciences
Publisher:
ISBN:
Category :
Languages : en
Pages : 1782
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Book Description
Author: David Jefferis
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Using archival images and explanatory text, this title guides the reader through NASA's Apollo space program, including the tragic deaths of an entire flight crew and Apollo's ultimate triumph--the first lunar landing in 1969. Maps of the moon show where Apollo 11's lunar lander Eagle landed and the route taken by the Soviet robot lander Lunokhod 1 in 1970.
Author: Peter James Merrington
Publisher: Jacana Media
ISBN: 1431401714
Category : Fiction
Languages : en
Pages : 307
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Book Description
Sequel to: Zebra crossings: tales from the shaman's record.
Author: Martin James
Publisher: Crowood Press (UK)
ISBN: 9781852237929
Category : Biography & Autobiography
Languages : en
Pages : 152
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Book Description
An autobiography of Martin James. He recounts how, in spite of suffering from multiple sclerosis, he has pursued his lifelong passion for fishing and other outdoor activities. This is a book of adventures which takes us from a frozen Fenland marsh to the Amazonian jungle.
Author: United States. Congress. Senate. Committee on Aeronautical and Space Sciences
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 570
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Book Description
