The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 11
... remain to be mentioned before our picture of the Solar System is complete . In the first place , it is not a stationary affair . All the planets are moving , and in the same direction round the Sun. The innermost planet , Mercury ...
... remain to be mentioned before our picture of the Solar System is complete . In the first place , it is not a stationary affair . All the planets are moving , and in the same direction round the Sun. The innermost planet , Mercury ...
Pagina 50
... remain wholly inside the atmosphere . It could then make a landing as a glider , slowly shedding its speed by air resistance . This operation ( called " entry by braking ellipses " ) is shown in Figure 11. It is of enormous importance ...
... remain wholly inside the atmosphere . It could then make a landing as a glider , slowly shedding its speed by air resistance . This operation ( called " entry by braking ellipses " ) is shown in Figure 11. It is of enormous importance ...
Pagina 152
Arthur Charles Clarke. the region immediately around the Poles would remain invisible from such a satellite in the ... remain rigid to a few millionths of an inch , no matter how the enormously heavy instrument was tilted and revolved ...
Arthur Charles Clarke. the region immediately around the Poles would remain invisible from such a satellite in the ... remain rigid to a few millionths of an inch , no matter how the enormously heavy instrument was tilted and revolved ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
Automatic Rocket Surveying Mars | 4 |
THE EARTH AND ITS NEIGHBOURS | 9 |
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acceleration already astronautics astronomers atmosphere atomic rockets 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 gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors 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