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 115
... radio and radar in space , and this is a subject of almost as much importance as the building of rocket motors themselves . It is true that without rockets space - travel would be impossible ( at least in the present state of our ...
... radio and radar in space , and this is a subject of almost as much importance as the building of rocket motors themselves . It is true that without rockets space - travel would be impossible ( at least in the present state of our ...
Pagina 189
... radio waves , which have much greater penetrating power and so may be able to teach us something about the structure of parts of the Universe which we can never " see " in the ordinary way . Because radio waves are about a million times ...
... radio waves , which have much greater penetrating power and so may be able to teach us something about the structure of parts of the Universe which we can never " see " in the ordinary way . Because radio waves are about a million times ...
Pagina 192
... radio communication between all points on the Earth , irrespective of ionospheric conditions , magnetic storms , and all the other vicissitudes which plague long - distance radio . It would also vastly improve the quality of the service ...
... radio communication between all points on the Earth , irrespective of ionospheric conditions , magnetic storms , and all the other vicissitudes which plague long - distance radio . It would also vastly improve the quality of the service ...
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