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Sometimes in space our muscles and bones get weak, so we do special exercises, like riding a stationary bike, to help keep our muscles strong. Under Earth's gravity our muscles have to work much harder, but in space the absence of gravity allows them to not work very hard at all which causes them to get weak. Exercise helps to keep our muscles working. ---- Answer provided by Dana S. Klein ...

Possibly, but it is not a technology that we currently have. This is technology that the next generation will need to work on. ---- Answer provided by Bradley C. Edwards, Ph.D. Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer Image:9781894959421.jpg '''Buy This Book''' http://www.apogeebooks.com/Books/ ...

Media:1967ChapmanReport.pdf The Chapman Report

... of the launch facility to support a Titan-Centaur launch, structural integrity of the vehicle, Centaur guidance and control of the Titan, Titan-Centaur separation, and Centaur standard shroud capability. The Viking Dynamic Simulator ... lost on the proof flight. The Titan-Centaur program was managed by NASA's Office of Space Science. Lewis Research Center was responsible for the Titan-Centaur system. The Air Force Space and ...

... , starting the new centers, getting it organized. They asked him to head up the Apollo program, manned program, and he said, "Okay. I'll need Johnson. I'll need the center (either ... maneuvering and the launch vehicle and all that. But we were having trouble with the Centaur, Atlas-Centaur rocket at the time, too, and Langley figured they could do that mission on ... . von Braun had differing opinions regarding the Centaur program. He wasn't comfortable with the— '''Cortright:''' Well, let's put it, it was in trouble. The Centaur was in trouble. It was not ...

... into synchronous orbit. Introduction of Titan-Centaur configuration in time scale to support Viking mission would represent "vital portion of the effort associated with the Centaur Program in Calendar Years 1971,1972, and 1973." NASA and USAF had concluded basic management agreements for operation of Titan IIIC and Titan-Centaur systems. USAF would act ...

... a space environment, not only to make Centaur a success but also because this fuel was to be used for the upcoming Apollo program. In 1958 Centaur received its first mission assignment, definition of geosynchronous orbit, and in 1960 its first deep-space mission. The creation of NASA resulted in transfer of the Centaur program from ...

... flight schedule of Centaur was overly optimistic. Hindsight also tells us that the complexity of the program was greatly underestimated . . . ." Referring to press articles charging $100 million was wasted in Centaur program, based on ... doubt. that certain programs incurred losses because of the unavailability of Centaur on schedule, it is incorrect and unfair to attribute the entire unrecoverable loss associated with the Advent program to Centaur, as the ...

... could be reengineered and launched as part of flight program to extract full value from expensive hardware. Manufacturing and quality control procedures in Centaur program could be improved. "It is quite clear that a great deal can and should be done short of `man-rating' Centaur , which would significantly improve its reliability." Centaur stage problems ...

... arrived September 9 at Johnson Space Center ( Johnson Space Center JSC ) to begin their training program, the Johnson Space Center JSC Roundup reported. Reporters, photographers, and TV crews accompanied the two ... Ulysses missions on trajectories toward Jupiter, Aviation Week reported. Martin Winkler, General Dynamics Space Shuttle/Centaur program manager, said the stage remained in San Diego to complete acceptance testing and also to ...

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