The Exploration of SpacePocket Books, 1979 - 237 pagini Presents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 87
... tion it would be met by a Type A or B ship which would make the transfer to the planet beneath . The ferry rocket would , of course , have to be car- ried to the planet by earlier Type C ships , or it might have traveled there ...
... tion it would be met by a Type A or B ship which would make the transfer to the planet beneath . The ferry rocket would , of course , have to be car- ried to the planet by earlier Type C ships , or it might have traveled there ...
Pagina 94
... tion . Several chemicals are known which can perform this feat ( e.g. sodium hydroxide and sodium perox- ide ) , and the latter will not only remove the carbon dioxide but will replace it with fresh oxygen . In addi- tion , supplies of ...
... tion . Several chemicals are known which can perform this feat ( e.g. sodium hydroxide and sodium perox- ide ) , and the latter will not only remove the carbon dioxide but will replace it with fresh oxygen . In addi- tion , supplies of ...
Pagina 104
... tion of one gravity , a speed of fall of 5,000 m.p.h. could be checked in four minutes , during which time the ship would cover a distance of a hundred and sixty miles . It would certainly seem dangerous - not to men- tion hard on the ...
... tion of one gravity , a speed of fall of 5,000 m.p.h. could be checked in four minutes , during which time the ship would cover a distance of a hundred and sixty miles . It would certainly seem dangerous - not to men- tion hard on the ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
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acceleration airless already astronautics astronomers atmo atmosphere body bricks build carry certainly Chapter chemical completely conquest of space consider course crew degrees F difficult direction distance Earth energy enormous escape velocity exist exploration extremely fact Figure fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere Jerry Pournelle journey Jupiter landing large number light light-years lunar Mars and Venus Martian means Mercury meteors miles in diameter million minutes missile Moon Moon's motors never normal observed once oxygen payload perhaps planetary planets Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri radar radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spin stars stations surface take-off telescope temperature thousand thrust tion trolley voyage weight weightless