The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 32
... seen pictures of the " Wall of Death " , a popular circus side - show in which a motor - cyclist drives round the inside of an almost vertical cylinder , centrifugal force allowing him to defy gravity . It will be seen that exactly the ...
... seen pictures of the " Wall of Death " , a popular circus side - show in which a motor - cyclist drives round the inside of an almost vertical cylinder , centrifugal force allowing him to defy gravity . It will be seen that exactly the ...
Pagina 94
... seen on page 67 , the oxygen consumption is also two pounds per day for man . The water requirements are not so easy to calculate , since the amount of liquid the body needs varies a great deal with circumstances . Moreover , unlike ...
... seen on page 67 , the oxygen consumption is also two pounds per day for man . The water requirements are not so easy to calculate , since the amount of liquid the body needs varies a great deal with circumstances . Moreover , unlike ...
Pagina 187
... seen , the advent of space - travel will produce an expansion of scientific knowledge perhaps unparalleled in history . Now there are a good many people who think that we have already learned more than enough about the Universe in which ...
... seen , the advent of space - travel will produce an expansion of scientific knowledge perhaps unparalleled in history . Now there are a good many people who think that we have already learned more than enough about the Universe in which ...
Cuprins
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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Termeni și expresii frecvente
acceleration already astronautics astronomers atmosphere body bricks British Astronomical Association 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 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 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