The Exploration of Space |
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Pagina 51
The lower steps of the rocket , discarded during its climb out of the atmosphere , would fall back to earth along a line extending eastwards from the launching site , the actual points of impact depending on the height of release and ...
The lower steps of the rocket , discarded during its climb out of the atmosphere , would fall back to earth along a line extending eastwards from the launching site , the actual points of impact depending on the height of release and ...
Pagina 52
It is sometimes said to be in free fall , but this is perhaps an unfortunate phrase because the word “ fall ” usually implies “ downwards ” . The spaceship , as we have seen , could be moving upwards or horizontally while under the ...
It is sometimes said to be in free fall , but this is perhaps an unfortunate phrase because the word “ fall ” usually implies “ downwards ” . The spaceship , as we have seen , could be moving upwards or horizontally while under the ...
Pagina 73
If allowed to fall unhindered , it would crash into the Moon at about 5,200 m.p.h. The problem of landing on the Moon is one which , despite its obvious importance , has not received as much attention as it should .
If allowed to fall unhindered , it would crash into the Moon at about 5,200 m.p.h. The problem of landing on the Moon is one which , despite its obvious importance , has not received as much attention as it should .
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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 |