The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 145
... structure can therefore be held to a rigid shape , and will carry considerable loads , if the pressure excess between inside and out is even a very small fraction of an atmosphere . Probably the largest gas - supported structure yet ...
... structure can therefore be held to a rigid shape , and will carry considerable loads , if the pressure excess between inside and out is even a very small fraction of an atmosphere . Probably the largest gas - supported structure yet ...
Pagina 153
... structure need have only enough strength to maintain its stiffness . Indeed , the optical elements might be miles apart , if need be , with no physical connexion at all . This would make it possible , for the first time , to build ...
... structure need have only enough strength to maintain its stiffness . Indeed , the optical elements might be miles apart , if need be , with no physical connexion at all . This would make it possible , for the first time , to build ...
Pagina 159
... structural materials and would simply " dump " their cargoes in space until they were needed . The assembling would of course be enormously simplified by the absence of gravity , and the first structure to be built would probably be a ...
... structural materials and would simply " dump " their cargoes in space until they were needed . The assembling would of course be enormously simplified by the absence of gravity , and the first structure to be built would probably be a ...
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