The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 18
... purely mathematical but also on the engineering side of the subject — this at a time when the largest rocket ever built weighed only a few pounds ! The practical work on rocket engineering which took place in Germany from 1927 onwards ...
... purely mathematical but also on the engineering side of the subject — this at a time when the largest rocket ever built weighed only a few pounds ! The practical work on rocket engineering which took place in Germany from 1927 onwards ...
Pagina 39
... purely automatic rockets — which might be called " reconnaissance missiles " . A great deal of scientific equipment has already been developed for use in V.2's and other high - altitude rockets . Some of the earliest experiments ...
... purely automatic rockets — which might be called " reconnaissance missiles " . A great deal of scientific equipment has already been developed for use in V.2's and other high - altitude rockets . Some of the earliest experiments ...
Pagina 98
... purely inertia effect one would expect this particular function to be unaffected by the lack of gravity . In addition , however , there are two other organs in the inner ear which are believed to register gravity . These are the tiny ...
... purely inertia effect one would expect this particular function to be unaffected by the lack of gravity . In addition , however , there are two other organs in the inner ear which are believed to register gravity . These are the tiny ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
Automatic Rocket Surveying Mars | 4 |
THE EARTH AND ITS NEIGHBOURS | 9 |
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acceleration already astronautics astronomers atmosphere atomic rockets 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 gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors 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