The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 54
... operation would be exactly similar to that of flight refuelling in the air - the actual speeds of the aircraft being of no importance as long at they are equal . In the case of orbital refuelling , the problem of contact should be ...
... operation would be exactly similar to that of flight refuelling in the air - the actual speeds of the aircraft being of no importance as long at they are equal . In the case of orbital refuelling , the problem of contact should be ...
Pagina 91
... rarer still . At the other end of the scale , meteoric dust might be expected to produce , after a spaceship had been in operation for a con- siderable period of time , numerous tiny holes in the LIFE IN THE SPACESHIP 91.
... rarer still . At the other end of the scale , meteoric dust might be expected to produce , after a spaceship had been in operation for a con- siderable period of time , numerous tiny holes in the LIFE IN THE SPACESHIP 91.
Pagina 97
... operation would require such high accelerations as those met on the take - off from Earth . Landings and take - offs for bodies such as Mars and the Moon would be relatively mild affairs , and there appear to be no planets in the Solar ...
... operation would require such high accelerations as those met on the take - off from Earth . Landings and take - offs for bodies such as Mars and the Moon would be relatively mild affairs , and there appear to be no planets in the Solar ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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Termeni și expresii frecvente
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