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 113
... course in speed , direction , or both , to correct for this . We have already pointed out , on page 102 , that the actual orientation or attitude of a spaceship has noth- ing to do with its direction of motion : it could be spinning or ...
... course in speed , direction , or both , to correct for this . We have already pointed out , on page 102 , that the actual orientation or attitude of a spaceship has noth- ing to do with its direction of motion : it could be spinning or ...
Pagina 187
... course , as it does not intercept the atmosphere . Nor need the orbits lie in the plane of the Earth's own rotation : they could be at any angle to the Equator , and could for example pass over the Poles . Which orbit was selected would ...
... course , as it does not intercept the atmosphere . Nor need the orbits lie in the plane of the Earth's own rotation : they could be at any angle to the Equator , and could for example pass over the Poles . Which orbit was selected would ...
Pagina 205
... course of their evolution . As far as the inhabitants of any planets were concerned , the final result would be much the same whether their sun be- came a nova or a supernova . The difference would be , roughly speaking , that between ...
... course of their evolution . As far as the inhabitants of any planets were concerned , the final result would be much the same whether their sun be- came a nova or a supernova . The difference would be , roughly speaking , that between ...
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