The Exploration of Space |
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Pagina 28
To squeeze 19 tons of fuel into a structure weighing only one ton seemed beyond
the bounds of engineering sanity . That one ton , remember , has to cover the
weight of the tanks , the rocket motor , the control equipment , the structural ...
To squeeze 19 tons of fuel into a structure weighing only one ton seemed beyond
the bounds of engineering sanity . That one ton , remember , has to cover the
weight of the tanks , the rocket motor , the control equipment , the structural ...
Pagina 56
We have never , on this Earth , had the opportunity of building structures which
need not even be strong enough to stand ... Probably these would not amount to
more than a tenth of the weight which Earth gravity would have given the
structure ...
We have never , on this Earth , had the opportunity of building structures which
need not even be strong enough to stand ... Probably these would not amount to
more than a tenth of the weight which Earth gravity would have given the
structure ...
Pagina 164
The dwellers of such worlds would have a very limited knowledge of astronomy ,
for they would be unable to observe the structure of the Universe through the
screen of stars which hid them from the rest of space . As will be seen , stars vary
...
The dwellers of such worlds would have a very limited knowledge of astronomy ,
for they would be unable to observe the structure of the Universe through the
screen of stars which hid them from the rest of space . As will be seen , stars vary
...
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Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbors | 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 discuss distance Earth effect energy 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 least less light limit live look lunar Mars material matter means miles million minutes Moon necessary never observed once operation orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce radio reach reason remain rocket round satellite seems seen ship shown simple Solar space spaceship speed stars stations structure suggested surface telescope temperature thousand Universe vehicle velocity Venus weight whole
Informații bibliografice
| Titlu | The Exploration of Space A Premier book Fawcett premier book |
| Autor | Arthur Charles Clarke |
| Ediție | revizuită |
| Editor | Harper, 1959 |
| Exemplar original de la | Universitatea din Virginia |
| Scanată la | 17 Aug 2009 |
| Lungime | 200 pagini |
| Exportați citatul | BiBTeX EndNote RefMan |