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 63
... known as A.9 / A.10 . The upper step ( A.9 ) was a winged and possibly piloted version of V.2 . It was to be lifted to a height of sixteen miles and given a starting speed of over 2,500 m.p.h. by A.10 , a 68 - ton " booster " which ...
... known as A.9 / A.10 . The upper step ( A.9 ) was a winged and possibly piloted version of V.2 . It was to be lifted to a height of sixteen miles and given a starting speed of over 2,500 m.p.h. by A.10 , a 68 - ton " booster " which ...
Pagina 172
... known satellites , being about 3,000 miles in diameter , but for some reason it has never been officially named and the " Nautical Al- manac , " the arbiter in such matters , always refers to it long - windedly as " the satellite of ...
... known satellites , being about 3,000 miles in diameter , but for some reason it has never been officially named and the " Nautical Al- manac , " the arbiter in such matters , always refers to it long - windedly as " the satellite of ...
Pagina 200
... known as the Galaxy . The stars vary in size and brightness over a truly enormous range . ( Here we are referring , of course , to real variations , and not to those caused merely by the effect of distance . ) If , as is customary and ...
... known as the Galaxy . The stars vary in size and brightness over a truly enormous range . ( Here we are referring , of course , to real variations , and not to those caused merely by the effect of distance . ) If , as is customary and ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
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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