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 52
... effect of a rocket's fuel - weight to empty - weight ratio on its performance . In each case the empty - weight has been assumed to be the same one ton . The first rocket Figure 7. The Effect of Fuel Weight on Rocket Speeds ROCKET ...
... effect of a rocket's fuel - weight to empty - weight ratio on its performance . In each case the empty - weight has been assumed to be the same one ton . The first rocket Figure 7. The Effect of Fuel Weight on Rocket Speeds ROCKET ...
Pagina 212
... effects which concern us here involve the mass of an interstellar spaceship , and the " time - scale " of its Occupants . The mass of a body increases with its speed . The effect is immeasurably small at ordinary velocities , and is ...
... effects which concern us here involve the mass of an interstellar spaceship , and the " time - scale " of its Occupants . The mass of a body increases with its speed . The effect is immeasurably small at ordinary velocities , and is ...
Pagina 236
... effect of ionosphere on , 116 position finding by , 112 relaying , by space stations , 192 Refueling in orbit , 74 , 81-2 , 191 on Moon , 149-50 on Titan , 170 Relativity , Theory of effects at high speeds , 211-14 , 216 Rockets atomic ...
... effect of ionosphere on , 116 position finding by , 112 relaying , by space stations , 192 Refueling in orbit , 74 , 81-2 , 191 on Moon , 149-50 on Titan , 170 Relativity , Theory of effects at high speeds , 211-14 , 216 Rockets atomic ...
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