The Exploration of SpacePresents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 32
There are still primitive peoples to whom a hundred miles is an inconceivably great distance — yet there are also men who think nothing of traveling ten thousand miles in a few days . As speeds of transport have increased , so our sense ...
There are still primitive peoples to whom a hundred miles is an inconceivably great distance — yet there are also men who think nothing of traveling ten thousand miles in a few days . As speeds of transport have increased , so our sense ...
Pagina 156
This is present in enormous quantities : there is probably more than a thousand times as much of it above the clouds of Venus as in the whole of our atmosphere . What lies below the clouds we can only guess . Since carbon dioxide is one ...
This is present in enormous quantities : there is probably more than a thousand times as much of it above the clouds of Venus as in the whole of our atmosphere . What lies below the clouds we can only guess . Since carbon dioxide is one ...
Pagina 169
Although so many thousands of them exist , they cannot constitute a " menace to navigation , ” as has sometimes been suggested . The gulf between Mars and Jupiter is too enormous for a few thousand , or even a few million , asteroids to ...
Although so many thousands of them exist , they cannot constitute a " menace to navigation , ” as has sometimes been suggested . The gulf between Mars and Jupiter is too enormous for a few thousand , or even a few million , asteroids to ...
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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 |