The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 82
... practical method would involve the use of radio stations on the planets . To take a simple case , suppose the spaceship were near the Earth and a terrestrial station were sending out a series of " pips " at regular intervals — say at ...
... practical method would involve the use of radio stations on the planets . To take a simple case , suppose the spaceship were near the Earth and a terrestrial station were sending out a series of " pips " at regular intervals — say at ...
Pagina 108
Arthur Charles Clarke. it might be thought that the discussion is of little practical importance . This is not the case , for a rather curious reason . Owing to the weakness of the lunar gravity , if there were an atmosphere on the Moon ...
Arthur Charles Clarke. it might be thought that the discussion is of little practical importance . This is not the case , for a rather curious reason . Owing to the weakness of the lunar gravity , if there were an atmosphere on the Moon ...
Pagina 143
... practical points which , though not very important in itself , would make life on Venus much simpler than life on the Moon . It is a very surprising fact and one which is not at all well known - that after inhaling pure oxygen for some ...
... practical points which , though not very important in itself , would make life on Venus much simpler than life on the Moon . It is a very surprising fact and one which is not at all well known - that after inhaling pure oxygen for some ...
Cuprins
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 3 |
Spaceships Refuelling In Free Orbit | 4 |
The Earth and its Neighbours | 9 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical climb completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure flywheel free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles 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 Propontis 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