The Exploration of SpacePresents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 136
Since the invention of the telescope , more than ten generations of astronomers have spent appreciable portions of their lives ( and astronomers are notoriously long - lived creatures ) examining our satellite .
Since the invention of the telescope , more than ten generations of astronomers have spent appreciable portions of their lives ( and astronomers are notoriously long - lived creatures ) examining our satellite .
Pagina 188
The great difficulties involved in building the 200 - inch telescope on Mount Palomar were not primarily optical ones : they were largely due to the fact that the mirror and its auxiliaries had to remain rigid to a few millionths of an ...
The great difficulties involved in building the 200 - inch telescope on Mount Palomar were not primarily optical ones : they were largely due to the fact that the mirror and its auxiliaries had to remain rigid to a few millionths of an ...
Pagina 189
Since 1945 , astronomers have become more and more interested in “ telescopes ” employing not light rays but radio waves ... The biggest radio - telescope yet built over 200 feet in diameter ( compared with 200 inches for the largest ...
Since 1945 , astronomers have become more and more interested in “ telescopes ” employing not light rays but radio waves ... The biggest radio - telescope yet built over 200 feet in diameter ( compared with 200 inches for the largest ...
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Nu am găsit nicio recenzie în locurile obișnuite.
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 |
Informații bibliografice
| Titlu | The Exploration of Space |
| Autor | Arthur Charles Clarke |
| Ediție | retipărită, revizuită |
| Editor | Pocket Books, 1979 |
| Exemplar original de la | Universitatea din Virginia |
| Scanată la | 12 Sept 2008 |
| ISBN | 0671821407, 9780671821401 |
| Lungime | 237 pagini |
| Exportă citatul | BiBTeX EndNote RefMan |