The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 92
... interstellar gas " will be of no importance in travel between the planets , though as we shall see in Chapter 16 it might be signifi- cant when we begin to think of journeying to the stars . We mention it here because it raises again ...
... interstellar gas " will be of no importance in travel between the planets , though as we shall see in Chapter 16 it might be signifi- cant when we begin to think of journeying to the stars . We mention it here because it raises again ...
Pagina 178
... interstellar travel . ( In this sense , of course , we on this planet are interstellar voyagers already — though our journey is involuntary and we know neither its destination nor its beginning . ) Such dirigible planet- oids might ...
... interstellar travel . ( In this sense , of course , we on this planet are interstellar voyagers already — though our journey is involuntary and we know neither its destination nor its beginning . ) Such dirigible planet- oids might ...
Pagina 198
... interstellar , 178 landing of , 75-6 navigation of , 81-5 temperature control in , 68-9 velocity , definition of , 83-4 Stars distances , 164-5 flight to , 174-81 multiple , 166-8 planets of , 165-6 sizes , 164 variable , 169 Steering ...
... interstellar , 178 landing of , 75-6 navigation of , 81-5 temperature control in , 68-9 velocity , definition of , 83-4 Stars distances , 164-5 flight to , 174-81 multiple , 166-8 planets of , 165-6 sizes , 164 variable , 169 Steering ...
Cuprins
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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acceleration already astronautics astronomers atmosphere body bricks British Astronomical Association build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar involved ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors million minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust trolley Uranus voyage weight