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 179
... mean that the danger of leaks or explosive decompression , always present to some extent on a world like the Moon , would be removed . The existence of an atmosphere also means that air transport would be possible , with all that this ...
... mean that the danger of leaks or explosive decompression , always present to some extent on a world like the Moon , would be removed . The existence of an atmosphere also means that air transport would be possible , with all that this ...
Pagina 202
... means of telling if even Proxima Centauri has worlds revolving round it . Our views on the existence of planets in the Universe are likely , for the time being , to be determined by whether we think the Solar System to be something ...
... means of telling if even Proxima Centauri has worlds revolving round it . Our views on the existence of planets in the Universe are likely , for the time being , to be determined by whether we think the Solar System to be something ...
Pagina 211
... means it would be necessary to have an extremely efficient source of nuclear energy : anything like our present atomic power plants would be completely useless . Some means would be required of releasing a large percentage of the energy ...
... means it would be necessary to have an extremely efficient source of nuclear energy : anything like our present atomic power plants would be completely useless . Some means would be required of releasing a large percentage of the energy ...
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