The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 184
... human race can do : history is full of examples , from the Pyramids to the Manhattan Project , of achievements whose difficulty and magnitude were so great that very few people would have considered them possible . 2 The important ...
... human race can do : history is full of examples , from the Pyramids to the Manhattan Project , of achievements whose difficulty and magnitude were so great that very few people would have considered them possible . 2 The important ...
Pagina 189
... human beings or the great organisers of human society were thoroughly convinced and enthusiastic about astronautics , then scientists and engineers could direct their research work immediately to space - flight problems . Unfortunately ...
... human beings or the great organisers of human society were thoroughly convinced and enthusiastic about astronautics , then scientists and engineers could direct their research work immediately to space - flight problems . Unfortunately ...
Pagina 191
... human nature . One wonders if they would have asked Pheidias , when he was starting work on the Parthenon frieze , why he was not engaged on something useful like rebuilding the Athenian slums . If he had kept his temper , the artist ...
... human nature . One wonders if they would have asked Pheidias , when he was starting work on the Parthenon frieze , why he was not engaged on something useful like rebuilding the Athenian slums . If he had kept his temper , the artist ...
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