The Exploration of Space |
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Pagina 32
If a body started upwards with more than this critical speed , it would still retain the excess as a bonus when it escaped from the pit . This model describes accurately the behaviour of a rocket shot vertically upwards away from the ...
If a body started upwards with more than this critical speed , it would still retain the excess as a bonus when it escaped from the pit . This model describes accurately the behaviour of a rocket shot vertically upwards away from the ...
Pagina 33
the bottom , and the gentler the slope , the more slowly the body need move to preserve its position . This is precisely how the Moon maintains itself in its orbit as it circles the Earth . And in just the same way the planets revolve ...
the bottom , and the gentler the slope , the more slowly the body need move to preserve its position . This is precisely how the Moon maintains itself in its orbit as it circles the Earth . And in just the same way the planets revolve ...
Pagina 68
Consider the case of a solid body floating in space at the Earth's distance from the Sun. One side will be in shadow , the other in full sunlight . This side will become extremely hot - at least if it is darkened and so readily absorbs ...
Consider the case of a solid body floating in space at the Earth's distance from the Sun. One side will be in shadow , the other in full sunlight . This side will become extremely hot - at least if it is darkened and so readily absorbs ...
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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 |