The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 54
... 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 considerably easier . There is no air resistance to worry about and to affect 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 considerably easier . There is no air resistance to worry about and to affect the ...
Pagina 82
... actual calculation of the orbit would , however , be a com- plicated task and might require the use of electronic computers altogether too large to be carried in a spaceship . Possibly this duty would be relegated to machines on the ...
... actual calculation of the orbit would , however , be a com- plicated task and might require the use of electronic computers altogether too large to be carried in a spaceship . Possibly this duty would be relegated to machines on the ...
Pagina 83
... actual orientation or attitude of a spaceship has nothing to do with its direction of motion : it could be spinning or pointing in space in any manner without affecting its velocity . To alter this , the rockets have to be used in the ...
... actual orientation or attitude of a spaceship has nothing to do with its direction of motion : it could be spinning or pointing in space in any manner without affecting its velocity . To alter this , the rockets have to be used in the ...
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