The Exploration of SpacePocket Books, 1979 - 237 pagini Presents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 44
... consider how the rocket works and just why it is that it has become of such supreme importance in astronautics . It is often stated that rocket propulsion depends on reaction to put it colloquially , upon " pushing . " This is perfectly ...
... consider how the rocket works and just why it is that it has become of such supreme importance in astronautics . It is often stated that rocket propulsion depends on reaction to put it colloquially , upon " pushing . " This is perfectly ...
Pagina 173
... consider a good vacuum they are not of much interest to astronautics . Some of the larger specimens may have a solid core but this probably consists of nothing more than a cluster of meteors . Planets - satellites - asteroids - comets ...
... consider a good vacuum they are not of much interest to astronautics . Some of the larger specimens may have a solid core but this probably consists of nothing more than a cluster of meteors . Planets - satellites - asteroids - comets ...
Pagina 226
... consider- able distance in the future . There is little doubt that a great many scientists and engineers whose only interest in the rocket is as a means of crossing space have become involved in cur- rent military research because in no ...
... consider- able distance in the future . There is little doubt that a great many scientists and engineers whose only interest in the rocket is as a means of crossing space have become involved in cur- rent military research because in no ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
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acceleration airless already astronautics astronomers atmo atmosphere body bricks build carry certainly Chapter chemical completely conquest of space consider course crew degrees F difficult direction distance Earth energy enormous escape velocity exist exploration extremely fact Figure fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere Jerry Pournelle journey Jupiter landing large number light light-years lunar Mars and Venus Martian means Mercury meteors miles in diameter million minutes missile Moon Moon's motors never normal observed once oxygen payload perhaps planetary planets Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri radar radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spin stars stations surface take-off telescope temperature thousand thrust tion trolley voyage weight weightless