Space Travel: A HistoryHarper & Row, 1985 - 308 pagini |
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Pagina 65
... to the ground as it sped along . Opel- Rak 2 , outfitted with twenty - four rockets and with Opel himself at the wheel , sped down a track in Berlin on 23 May 1928 at a maximum speed of nearly 125 miles per hour . These tests were ...
... to the ground as it sped along . Opel- Rak 2 , outfitted with twenty - four rockets and with Opel himself at the wheel , sped down a track in Berlin on 23 May 1928 at a maximum speed of nearly 125 miles per hour . These tests were ...
Pagina 96
... miles , reached a speed of 900 miles per hour , and was stabilized by four large fixed fins . Other calibers of surface - to - surface rockets were developed during the war . The 3.5 - inch Spinner , developed for the Marines , had a ...
... miles , reached a speed of 900 miles per hour , and was stabilized by four large fixed fins . Other calibers of surface - to - surface rockets were developed during the war . The 3.5 - inch Spinner , developed for the Marines , had a ...
Pagina 225
... miles per hour and of climbing 15- to 20 - degree slopes at nearly 5 miles per hour . Total traverse distance on the Moon's surface was 16.8 miles , mostly accomplished by the rover ( though Young and Duke did spend slightly more than 9 ...
... miles per hour and of climbing 15- to 20 - degree slopes at nearly 5 miles per hour . Total traverse distance on the Moon's surface was 16.8 miles , mostly accomplished by the rover ( though Young and Duke did spend slightly more than 9 ...
Cuprins
A THOUSAND YEARS OF ROCKETRY | 22 |
PIONEERS OF SPACE TRAVEL | 40 |
THE LEGACY OF THE PIONEERS | 60 |
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aboard Aeronautics Air Force aircraft airplane altitude American Apollo Apollo 11 April Army astronauts Astronomy atmosphere August became boosters Braun British camera carried carrier Center Columbia command craft crew designed developed diameter docking Earth experiments exploration feet long fired flight tests flown fuel Gemini German Goddard Hermann Oberth ICBM inches interplanetary July Jupiter Kennedy Space Center landing later launcher liquid oxygen lunar maneuvering Mars ment miles per hour military mission module Moon motor NASA National Navy Oberth October operational orbit parachute payload Peenemünde pilot planets planned pounds of thrust propellant propulsion range re-entry rocket engines rocketry Russians Salyut satellite Saturn Saturn 1B scientists shuttle Skylab solid-propellant sounding rockets Soviet Soyuz space flight space station space travel spacecraft Spacelab Sputnik stage surface tank target tion Tsiolkovsky United unmanned velocity Viking voyage weapon weighed Wernher von Braun World York
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What America Did Right: The Weapon Systems, Events, and Leaders that Brought ... Herbert J. Friedman Vizualizare fragmente - 1996 |
Spatial Optimization in Ecological Applications John G. Hof,Michael Bevers Nu există previzualizare disponibilă - 2002 |