The Exploration of Space |
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Pagina 20
In this case the explosion of the powder in the confined space of the breach provides the thrust , and the masses involved are very far from being equal . Yet once again the same law of reaction holds . If the gun weighed a thousand ...
In this case the explosion of the powder in the confined space of the breach provides the thrust , and the masses involved are very far from being equal . Yet once again the same law of reaction holds . If the gun weighed a thousand ...
Pagina 85
values may seem very small , but because of the great distances involved they would , if they were ignored , cause a spaceship to be “ above ” or “ below ” the planets , at the end of its voyage , by as much as 5,000,000 miles .
values may seem very small , but because of the great distances involved they would , if they were ignored , cause a spaceship to be “ above ” or “ below ” the planets , at the end of its voyage , by as much as 5,000,000 miles .
Pagina 152
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 ...
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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
Informații bibliografice
| Titlu | The Exploration of Space |
| Autor | Arthur Charles Clarke |
| Editor | Temple Press, 1951 |
| Exemplar original de la | Universitatea din Michigan |
| Scanată la | 14 Dec 2007 |
| Lungime | 198 pagini |
| Exportă citatul | BiBTeX EndNote RefMan |