The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 47
... 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 99
... able to do this sort of thing , but for a long time to come it will remain pure fantasy . LA ( a ) ( b ) Figure 16. Producing " Artificial Gravity " • The other , and practical , solution involves the use of centrifugal force . Consider ...
... able to do this sort of thing , but for a long time to come it will remain pure fantasy . LA ( a ) ( b ) Figure 16. Producing " Artificial Gravity " • The other , and practical , solution involves the use of centrifugal force . Consider ...
Pagina 141
... able to exist on very cold worlds , they could hardly have originated there . The indigenous life would probably be based on low- temperature reactions and would not be much hotter than the surroundings . Yet from this type of organism ...
... able to exist on very cold worlds , they could hardly have originated there . The indigenous life would probably be based on low- temperature reactions and would not be much hotter than the surroundings . Yet from this type of organism ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 4 |
Spaceships Refuelling In Free Orbit | 4 |
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acceleration already asteroids astronautics astronomers atmosphere atomic rockets body bricks British Astronomical Association build carry certainly Chapter chemical 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 ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach 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