The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 6
... never thought of using it for the whole trip . It is probable that Verne really believed that his space - gun would work , though we know now that the projectile would have been destroyed by air resistance before it left the barrel . On ...
... never thought of using it for the whole trip . It is probable that Verne really believed that his space - gun would work , though we know now that the projectile would have been destroyed by air resistance before it left the barrel . On ...
Pagina 35
... never cross the Atlantic- the coal consumption would be far too great . A century later , the birth of flight was ... never carry the weight of a passenger as well as a pilot ! ) The lesson of this is that it is never safe to make what ...
... never cross the Atlantic- the coal consumption would be far too great . A century later , the birth of flight was ... never carry the weight of a passenger as well as a pilot ! ) The lesson of this is that it is never safe to make what ...
Pagina 58
... never lands on any planet . Its function is to travel from an orbit round the Earth to an orbit round the Moon , Mars , or any other world , carrying personnel , fuel and stores . At its destination it would be met by a Type A or B ship ...
... never lands on any planet . Its function is to travel from an orbit round the Earth to an orbit round the Moon , Mars , or any other world , carrying personnel , fuel and stores . At its destination it would be met by a Type A or B ship ...
Cuprins
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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Termeni și expresii frecvente
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