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 110
... observation . The stars themselves provide a kind of fixed framework against which to relate one's observations , but they are so far away that , by them- selves , they would do no more than this . To locate the actual position of the ...
... observation . The stars themselves provide a kind of fixed framework against which to relate one's observations , but they are so far away that , by them- selves , they would do no more than this . To locate the actual position of the ...
Pagina 163
... observed . Bodies of water only a few hundred yards across could be detected by the reflection of sunlight from them - a feature which would be very obvious to any observer watching the Earth from space . It is possible that temporary ...
... observed . Bodies of water only a few hundred yards across could be detected by the reflection of sunlight from them - a feature which would be very obvious to any observer watching the Earth from space . It is possible that temporary ...
Pagina 169
... observed of the four : much of the information gained about him probably applies to Saturn , Uranus and Neptune . We can see no permanent surface markings on these planets : what we observe is the top of an immensely deep and turbulent ...
... observed of the four : much of the information gained about him probably applies to Saturn , Uranus and Neptune . We can see no permanent surface markings on these planets : what we observe is the top of an immensely deep and turbulent ...
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