The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 28
... develop more powerful fuels , or evolve new methods of construction . Both these lines of attack will certainly be ... developed . We do this because experience has shown that , though many people can see FUEL OXIDISER ( b ) Figure 8 ...
... develop more powerful fuels , or evolve new methods of construction . Both these lines of attack will certainly be ... developed . We do this because experience has shown that , though many people can see FUEL OXIDISER ( b ) Figure 8 ...
Pagina 116
... refuel there . They would probably not land but would orbit the Moon while specially developed short - range ferry rockets brought fuel up to them . It would even be good economics to refuel , from 116 THE EXPLORATION OF SPACE.
... refuel there . They would probably not land but would orbit the Moon while specially developed short - range ferry rockets brought fuel up to them . It would even be good economics to refuel , from 116 THE EXPLORATION OF SPACE.
Pagina 123
... develop although this seems contrary to what one would expect from theory . All the planets appear to have been ... developed flying machines which could take them above the clouds , or radio equipment which could pick up the waves ...
... develop although this seems contrary to what one would expect from theory . All the planets appear to have been ... developed flying machines which could take them above the clouds , or radio equipment which could pick up the waves ...
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