The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 90
... seem likely that they will present any serious danger . Pilots of high - altitude aircraft have spent many hours ... seems , therefore , that the cosmic ray danger is just another of those mythical menaces which have threatened every ...
... seem likely that they will present any serious danger . Pilots of high - altitude aircraft have spent many hours ... seems , therefore , that the cosmic ray danger is just another of those mythical menaces which have threatened every ...
Pagina 98
... seems likely that the condition of weightlessness , though it may take some time to get used to , is not going to be harmful and need not even be unpleasant . ( It may , in fact , be the reverse , for it will make possible at last the ...
... seems likely that the condition of weightlessness , though it may take some time to get used to , is not going to be harmful and need not even be unpleasant . ( It may , in fact , be the reverse , for it will make possible at last the ...
Pagina 182
Arthur Charles Clarke. reasonable attitude towards them would seem to be one of open- minded scepticism . It certainly seems very probable that there can be no other technically advanced civilisation in the Solar System at the present ...
Arthur Charles Clarke. reasonable attitude towards them would seem to be one of open- minded scepticism . It certainly seems very probable that there can be no other technically advanced civilisation in the Solar System at the present ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks 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 ionosphere journey Jupiter landing light light-years lunar Mare Imbrium 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 tion trolley Uranus voyage weight