The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 19
... Missiles and Space Travel . ) For better or for worse , the history of the rocket is the history of our times . We are concerned here with the history of the future , when , as we all hope , the mighty engines now being harnessed to ...
... Missiles and Space Travel . ) For better or for worse , the history of the rocket is the history of our times . We are concerned here with the history of the future , when , as we all hope , the mighty engines now being harnessed to ...
Pagina 37
... missile can be shot out into space , can radio back information until it is out of range or its electrical power has been exhausted , and ... missiles . " A great deal of scientific equipment has already been developed Escaping from Earth 37.
... missile can be shot out into space , can radio back information until it is out of range or its electrical power has been exhausted , and ... missiles . " A great deal of scientific equipment has already been developed Escaping from Earth 37.
Pagina 41
... missile is now surveying the planet at close quarters . A camera is photographing the landscape below , and the resulting pictures are being transmitted to the distant Earth along a narrow radio beam . It is unlikely that true ...
... missile is now surveying the planet at close quarters . A camera is photographing the landscape below , and the resulting pictures are being transmitted to the distant Earth along a narrow radio beam . It is unlikely that true ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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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