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 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
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able acceleration actual already appear astronautics astronomers atmosphere atomic become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discovered discuss distance Earth effect energy escape exist exploration extremely fact fall field Figure fuel give given gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing least less light limit live look lunar Mars material matter means miles minutes Moon motors necessary never observed once orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce purely radio reach reason relatively remain rocket round satellite scientific seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole