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 74
... able to increase rocket performances very greatly by the use of chemical fuels , there are reasons for believing that , in time , we will be able to harness atomic energy for rocket propulsion . This would certainly solve our ...
... able to increase rocket performances very greatly by the use of chemical fuels , there are reasons for believing that , in time , we will be able to harness atomic energy for rocket propulsion . This would certainly solve our ...
Pagina 124
... able to solve the purely engineering prob- lems of astronautics , unless we can overcome the physi- ological ones as well we will be doomed to remain for ever on our native planet , able to look at other worlds only through the eyes of ...
... able to solve the purely engineering prob- lems of astronautics , unless we can overcome the physi- ological ones as well we will be doomed to remain for ever on our native planet , able to look at other worlds only through the eyes of ...
Pagina 175
... able to exist on very cold worlds , they could hardly have originated there . The indigenous life would prob- ably be based on low - temperature reactions and would not be much hotter than the surroundings . Yet from this type of ...
... able to exist on very cold worlds , they could hardly have originated there . The indigenous life would prob- ably be based on low - temperature reactions and would not be much hotter than the surroundings . Yet from this type of ...
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