The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 36
... operation is provided , somewhat unexpectedly , in the early history of polar exploration . If one man , by his own efforts , could only carry enough provisions for a journey of a hundred miles , it is possible to extend this range by ...
... operation is provided , somewhat unexpectedly , in the early history of polar exploration . If one man , by his own efforts , could only carry enough provisions for a journey of a hundred miles , it is possible to extend this range by ...
Pagina 54
... operation would be exactly similar to that of flight refuelling in the air - the actual speeds of the aircraft being of no importance as long as they are equal . In the case of orbital refuelling , the problem of contact should be ...
... operation would be exactly similar to that of flight refuelling in the air - the actual speeds of the aircraft being of no importance as long as they are equal . In the case of orbital refuelling , the problem of contact should be ...
Pagina 153
... operation of giant telescopes ( optical or radio ) floating in space clearly involves engineering problems of no mean order . Some of these will be considered on page 159 , when we will discuss the actual construction of space ...
... operation of giant telescopes ( optical or radio ) floating in space clearly involves engineering problems of no mean order . Some of these will be considered on page 159 , when we will discuss the actual construction of space ...
Cuprins
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 3 |
Spaceships Refuelling In Free Orbit | 4 |
The Earth and its Neighbours | 9 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical climb completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure flywheel free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles imagine important interplanetary flight interplanetary travel interstellar involved ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors million minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant Propontis propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust trolley Uranus voyage weight