The Exploration of SpaceHarper, 1959 - 200 pagini |
Din interiorul cărții
Rezultatele 1 - 3 din 12
Pagina 52
... operation would be exactly similar to that of flight refueling in the air - the actual speeds of the aircraft being of no importance as long as they are equal . In the case of orbital refueling , the problem of contact should be con ...
... operation would be exactly similar to that of flight refueling in the air - the actual speeds of the aircraft being of no importance as long as they are equal . In the case of orbital refueling , the problem of contact should be con ...
Pagina 89
... operation for a con- siderable period of time , numerous tiny holes in the hull which would add to the natural air loss from the structure . The magnitude of this effect can only be discovered by experiment , and its remedy may not be ...
... operation for a con- siderable period of time , numerous tiny holes in the hull which would add to the natural air loss from the structure . The magnitude of this effect can only be discovered by experiment , and its remedy may not be ...
Pagina 149
... operation of giant telescopes ( optical or radio ) floating in space clearly involves engineering problems of no mean order . Some of these will be considered on page 155 , when we will discuss the actual construction of space ...
... operation of giant telescopes ( optical or radio ) floating in space clearly involves engineering problems of no mean order . Some of these will be considered on page 155 , when we will discuss the actual construction of space ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
Drept de autor | |
1 alte secțiuni nu sunt arătate
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless