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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... Planets 153 167 14. Exploring the Planets 177 15. Stations in Space 185 16. Other Suns than Ours 199 17. To the Stars 209 18. Concerning Means and Ends 219 Index 235 THE EXPLORATION OF SPACE Preface to the 1951 Edition THIS.
... Planets 153 167 14. Exploring the Planets 177 15. Stations in Space 185 16. Other Suns than Ours 199 17. To the Stars 209 18. Concerning Means and Ends 219 Index 235 THE EXPLORATION OF SPACE Preface to the 1951 Edition THIS.
Pagina 175
... exploration all the more interesting . After all , interplanetary travel would lose much of its point if the other planets were simply new editions of Earth ! It is well to remember that there are only three worlds in the Universe whose ...
... exploration all the more interesting . After all , interplanetary travel would lose much of its point if the other planets were simply new editions of Earth ! It is well to remember that there are only three worlds in the Universe whose ...
Pagina 178
... exploration of the planets . This is a point which is often ignored , or hastily by - passed , by writers on astronautics , who no doubt feel that they already have enough to deal with . Yet if our survey of the subject is to have claim ...
... exploration of the planets . This is a point which is often ignored , or hastily by - passed , by writers on astronautics , who no doubt feel that they already have enough to deal with . Yet if our survey of the subject is to have claim ...
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