The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 34
... course , a speed far greater than anything ever achieved by man or indeed by any man - made object . But it no longer seems as fantastic as it did even a decade ago . In 1940 , no rocket had ever travelled more than a thousand miles an ...
... course , a speed far greater than anything ever achieved by man or indeed by any man - made object . But it no longer seems as fantastic as it did even a decade ago . In 1940 , no rocket had ever travelled more than a thousand miles an ...
Pagina 97
Arthur Charles Clarke. of course , there would be no " up " or " down " at all , for the reasons explained in Chapter 5 ... course it is present , can have very little effect on them - it cannot help them to swallow or digest their food ...
Arthur Charles Clarke. of course , there would be no " up " or " down " at all , for the reasons explained in Chapter 5 ... course it is present , can have very little effect on them - it cannot help them to swallow or digest their food ...
Pagina 113
... course presents no difficulty , but range would be rather short and the service some- what erratic owing to the Moon's rugged nature and near horizon -only two miles away for a man six feet high . One of the first tasks of the ...
... course presents no difficulty , but range would be rather short and the service some- what erratic owing to the Moon's rugged nature and near horizon -only two miles away for a man six feet high . One of the first tasks of the ...
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