The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 28
... achieved ( if not exceeded ) by the IRBMs and ICBMs of the late 1950s . The en- gineering break - throughs which made this possible were as wel- come as they were unexpected to the protagonists of space - flight , who had based their ...
... achieved ( if not exceeded ) by the IRBMs and ICBMs of the late 1950s . The en- gineering break - throughs which made this possible were as wel- come as they were unexpected to the protagonists of space - flight , who had based their ...
Pagina 36
... achieved . It will , of course , be achieved at a considerable cost . The pay- load of a high - performance rocket is not likely to be more than a twentieth of its total weight , which means that each step will be about twenty times the ...
... achieved . It will , of course , be achieved at a considerable cost . The pay- load of a high - performance rocket is not likely to be more than a twentieth of its total weight , which means that each step will be about twenty times the ...
Pagina 37
Arthur Charles Clarke. and American WAC Corporal , which in 1949 achieved speed and altitude records ( 5,200 mph and 250 miles ) which remained unbroken for several years . The launching vehicles used for the first Russian and U.S. satel ...
Arthur Charles Clarke. and American WAC Corporal , which in 1949 achieved speed and altitude records ( 5,200 mph and 250 miles ) which remained unbroken for several years . The launching vehicles used for the first Russian and U.S. satel ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless