The Exploration of SpacePresents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 74
Does this mean that , even if we can send television cameras to the other planets , we will never be able to go there ourselves ? Or must we wait until some completely new and very much more powerful fuel is discovered — something which ...
Does this mean that , even if we can send television cameras to the other planets , we will never be able to go there ourselves ? Or must we wait until some completely new and very much more powerful fuel is discovered — something which ...
Pagina 124
Although we may be able to solve the purely engineering problems of astronautics , unless we can overcome the physiological ones as well we will be doomed to remain for ever on our native planet , able to look at other worlds only ...
Although we may be able to solve the purely engineering problems of astronautics , unless we can overcome the physiological ones as well we will be doomed to remain for ever on our native planet , able to look at other worlds only ...
Pagina 175
It may be objected that though such life - forms might be able to exist on very cold worlds , they could hardly have originated there . The indigenous life would probably be based on low - temperature reactions and would not be much ...
It may be objected that though such life - forms might be able to exist on very cold worlds , they could hardly have originated there . The indigenous life would probably be based on low - temperature reactions and would not be much ...
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Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
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Termeni și expresii frecvente
able acceleration achieved actual already appear astronautics atmosphere become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discuss distance Earth effect energy equal escape exist exploration extremely fact fall field Figure fuel give gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing later least less light limit live look lunar Mars material matter means miles million minutes Moon moving necessary never normal observed once orbit oxygen perhaps period planets possible practical present pressure probably problem produce purely radio range reach reason remain rocket round satellite scientific seems seen ship simple Solar space spaceship speed stars surface telescope temperature thousand tion velocity Venus weight
Referințe la această carte
The MIR Space Station: A Precursor to Space Colonization David M. Harland Vizualizare fragmente - 1997 |
Space Travel: A History Wernher Von Braun,Frederick Ira Ordway (III),Fred Durant,David Dooling Vizualizare fragmente - 1985 |