The Exploration of Space |
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Pagina 76
What sort of “ undercarriage " our lunar spaceship would need is an interesting problem which cannot , perhaps , be completely solved until we know a good deal more about the surface of the Moon . By the time a landing is attempted we ...
What sort of “ undercarriage " our lunar spaceship would need is an interesting problem which cannot , perhaps , be completely solved until we know a good deal more about the surface of the Moon . By the time a landing is attempted we ...
Pagina 98
It is an interesting and perhaps significant fact that people who for some reason are deprived of the use of these organs do not seem to suffer ill effects . They can also orientate themselves correctly even under water , when there is ...
It is an interesting and perhaps significant fact that people who for some reason are deprived of the use of these organs do not seem to suffer ill effects . They can also orientate themselves correctly even under water , when there is ...
Pagina 141
These very differences will make their exploration all the more interesting . After all , interplanetary travel would lose much of its point if the other planets were simply new editions of Earth ! It is well to remember that there are ...
These very differences will make their exploration all the more interesting . After all , interplanetary travel would lose much of its point if the other planets were simply new editions of Earth ! It is well to remember that there are ...
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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 moving 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 seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole