The NASA Mission Reports
Edited by Robert Godwin
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Gemini 12 by Robert Godwin
Book DescriptionNASA's ambitious but essential Gemini Program was culminated in November 1966 with the launch of Gemini 12 from Kennedy Space enter's Launch Complex 19. This tenth manned Gemini mission was the final opportunity to develop and practice many new techniques that were integral to the upcoming Apollo program. With the successful conclusion of the Gemini 12 mission, veteran astronaut Command Pilot James Lovell had set another new record with a total of 18 days in space, and Pilot Edwin (Buzz) Aldrin held the EVA duration record with an umbilical EVA at the Agena work station of 2 hours and 9 minutes. In all, three EVA (extra-vehicular activity) sessions were performed during the mission. Going into the Gemini 12 mission, many questions of EVA procedure were still unresolved. In the past, astronauts had expended too much energy simply staying in position. In an effort to better develop techniques and train astronauts, for the first time, underwater simulation was incorporated into EVA training. Using a submerged mock-up of the Gemini-Agena spacecraft, EVA training proceeded almost to the eve of launch. Training in the neutral-buoyancy underwater simulation allowed the astronauts to practice the entire EVA procedure in a single session -- just as they would be required to do in space. This was a major advance over simulated weightlessness in aircraft parabolic flights, which provided only 30 seconds of weightlessness at a stretch. Gemini 12 successfully executed a fuelless station-keeping exercise for 4 hours and 20 minutes with the use of a dacron tether between the Gemini and Agena vehicles. Once the tether had been pulled taut, the reaction control systems for both vehicles were turned off, and the slight difference in the Earth's gravitational effect on the two space vehicles was sufficient to keep the tether taut, so the two spacecraft remained at a constant separation, without the use of any reaction control fuel. Despite mission changes brought on by a radar lock-on failure and by a malfunction of the Agena Primary Propulsion System (PPS), the Gemini 12 mission was considered to be a major success, continuing the success story of the entire Gemini program. Apollo could take man to the Moon only after Gemini had introduced him to the space environment and taught him how to perform there. CD included.
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Book DetailsISBN: 9781894959049
(175mm x 255mm x 15mm)
Imprint: Apogee Books
Publisher: Collector's Guide Publishing
Publish Date: 27-Jan-2004
Country of Publication: Canada
Books By Author Robert Godwin
Around the World in 65 Days, Paperback (December 2010)
From 1893-1895 George Griffith was the most famous science fiction writer in England. His books entranced the readers of the 19th century with tales of Martians, submarines, immortality, rogue comets and even spaceships whizzing around the solar system. This title tells his story. It also includes an introduction by his grandson John Griffith.
Lunar Exploration Scrapbook, Paperback (November 2007)» View all books by Robert Godwin
Looks at the many machines considered by the United States for lunar exploration.
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Author Biography - Robert Godwin
Robert Godwin is the owner and founder of Apogee Space Books. He is also the Space Curator at the Canadian Air & Space Museum. He has written or edited over 100 books including the award winning series "The NASA Mission Reports". Robert has appeared on dozens of radio and television programs in Canada, the USA and England as an expert on, not only music, but also space exploration. His books have been discussed on CNN, the CBC, the BBC and CBS 60 Minutes. He produced the first ever virtual reality panoramas of the Apollo lunar surface photography and the first multi-camera angle movie of the Apollo 11 moonwalk. His last book "New Horizons" expanded on that previous ground-breaking work.
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