The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina xiii
... astronautics may contribute to the progress of civilization , and the ultimate happiness of mankind . It is a pleasure to thank my colleagues in the British Interplane- tary Society for their assistance during the preparation of this ...
... astronautics may contribute to the progress of civilization , and the ultimate happiness of mankind . It is a pleasure to thank my colleagues in the British Interplane- tary Society for their assistance during the preparation of this ...
Pagina 92
... astronautics are those arising from acceleration or the lack of it . Most people who have read novels or seen films on the subject must now be firmly convinced that at take - off the crew of a spaceship would be subjected to an almost ...
... astronautics are those arising from acceleration or the lack of it . Most people who have read novels or seen films on the subject must now be firmly convinced that at take - off the crew of a spaceship would be subjected to an almost ...
Pagina 168
... astronautics — though it does so in an oddly indirect fashion . One seldom hears them say out- right : “ Oh yes , I believe that ultimately it may be possible to reach the stars as well as the planets . " But if anyone attempts to prove ...
... astronautics — though it does so in an oddly indirect fashion . One seldom hears them say out- right : “ Oh yes , I believe that ultimately it may be possible to reach the stars as well as the planets . " But if anyone attempts to prove ...
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