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 101
... give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole maneuver would be carried out according to a prearranged program , in order to put the ship into an orbit that had been calculated ...
... give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole maneuver would be carried out according to a prearranged program , in order to put the ship into an orbit that had been calculated ...
Pagina 124
... give any heat to a body immersed in them . Before leaving this subject , it is interesting to calcu- late how much matter a volume of space equal to that of the Earth would contain . The answer is about a quarter of an ounce of meteors ...
... give any heat to a body immersed in them . Before leaving this subject , it is interesting to calcu- late how much matter a volume of space equal to that of the Earth would contain . The answer is about a quarter of an ounce of meteors ...
Pagina 129
... give any assistance . This is because vision alone is quite suffi- cient to give us a " reference system " without the aid of any other organs . It therefore seems likely that the condition of weight- lessness , though it may take some ...
... give any assistance . This is because vision alone is quite suffi- cient to give us a " reference system " without the aid of any other organs . It therefore seems likely that the condition of weight- lessness , though it may take some ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
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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