The Exploration of SpacePresents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 79
Perhaps the only time in our normal lives when we do experience a momentary feeling of near - weightlessness is in a high - speed lift , just as it begins its descent . Parachute jumpers also know it , for a fraction of a second ...
Perhaps the only time in our normal lives when we do experience a momentary feeling of near - weightlessness is in a high - speed lift , just as it begins its descent . Parachute jumpers also know it , for a fraction of a second ...
Pagina 188
Thus the refueling stations would be as near the Earth as possible ( perhaps only five hundred miles up ) whereas the astronomical ones would be at ten or a hundred times this distance . In this connection , however , it should be ...
Thus the refueling stations would be as near the Earth as possible ( perhaps only five hundred miles up ) whereas the astronomical ones would be at ten or a hundred times this distance . In this connection , however , it should be ...
Pagina 224
Perhaps one day men will no longer be interested in the unknown , no longer tantalized by mystery . This is possible , but when Man loses his curiosity one feels he will have lost most of the other things that make him human .
Perhaps one day men will no longer be interested in the unknown , no longer tantalized by mystery . This is possible , but when Man loses his curiosity one feels he will have lost most of the other things that make him human .
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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 |