The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 40
... Moon . Several possibilities now exist , all illustrated by this model of the two adjacent craters . The first is that the rocket will be so accurately aimed ( or steered later in its trajectory ) that it hits the Moon . As it will pick ...
... Moon . Several possibilities now exist , all illustrated by this model of the two adjacent craters . The first is that the rocket will be so accurately aimed ( or steered later in its trajectory ) that it hits the Moon . As it will pick ...
Pagina 71
... Moon , high on the horizontal slope of the " pit " : for the last scores of thousands of miles of its journey it would be creeping along very slowly . If , however , it started with anything ... Moon is one which The Journey to the Moon 71.
... Moon , high on the horizontal slope of the " pit " : for the last scores of thousands of miles of its journey it would be creeping along very slowly . If , however , it started with anything ... Moon is one which The Journey to the Moon 71.
Pagina 107
... Moon . Even a few inches underground , the variations of tem- peratures would be greatly reduced owing to the insulating power of the lunar rocks . Deep inside the Moon , there would be no trace of them at all and the temperature would ...
... Moon . Even a few inches underground , the variations of tem- peratures would be greatly reduced owing to the insulating power of the lunar rocks . Deep inside the Moon , there would be no trace of them at all and the temperature would ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless