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 43
... carry scientific instruments a hundred miles vertically , then it could carry explosives a con- siderably greater distance horizontally . All Goddard's initial pioneering work was financed by a grant of some $ 11,000 , but the German ...
... carry scientific instruments a hundred miles vertically , then it could carry explosives a con- siderably greater distance horizontally . All Goddard's initial pioneering work was financed by a grant of some $ 11,000 , but the German ...
Pagina 62
... carry a payload of 400 tons and give it a certain speed , which could not be greatly increased even if we cut the payload down to one ton and made the remain- ing 399 tons into fuel . The three - step rocket , on the other hand , could ...
... carry a payload of 400 tons and give it a certain speed , which could not be greatly increased even if we cut the payload down to one ton and made the remain- ing 399 tons into fuel . The three - step rocket , on the other hand , could ...
Pagina 106
... carry the fuel needed for the full return journey down to the Moon and then lift it up again . It remains to be seen , however , whether this idea will prove to be prac- ticable when allowance is made for all the complications it ...
... carry the fuel needed for the full return journey down to the Moon and then lift it up again . It remains to be seen , however , whether this idea will prove to be prac- ticable when allowance is made for all the complications it ...
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