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 117
... difficulty in sending speech as far as Mars and Venus , and code messages ( which require much less power ) could be sent at least as far as Jupiter . The factor limiting radio range in space is probably the interference from the Milky ...
... difficulty in sending speech as far as Mars and Venus , and code messages ( which require much less power ) could be sent at least as far as Jupiter . The factor limiting radio range in space is probably the interference from the Milky ...
Pagina 162
... difficult to see how so thin a gas could support much solid material . This particular mystery is less important than the undoubted fact that the Martian atmosphere is very tenuous and contains no oxygen . The oxygen has prob- ably not ...
... difficult to see how so thin a gas could support much solid material . This particular mystery is less important than the undoubted fact that the Martian atmosphere is very tenuous and contains no oxygen . The oxygen has prob- ably not ...
Pagina 181
... difficulty in providing all the heat needed to keep an encampment warm even on Pluto . Heat is the one commodity which atomic power can already supply in unlimited amounts . It would be when one attempted to explore these planets ...
... difficulty in providing all the heat needed to keep an encampment warm even on Pluto . Heat is the one commodity which atomic power can already supply in unlimited amounts . It would be when one attempted to explore these planets ...
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