The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 15
... later , it sets a limit to the speed we can develop near the Earth's surface on the way into space and — much more important — it offers a means of making a safe landing on the return . This thin blanket of air , without which life as ...
... later , it sets a limit to the speed we can develop near the Earth's surface on the way into space and — much more important — it offers a means of making a safe landing on the return . This thin blanket of air , without which life as ...
Pagina 35
... later , the birth of flight was preceded by a similar chorus of Cassandras -most famous of whom was the great American astronomer Simon Newcomb . ( In 1903 Newcomb wrote a paper which should have convinced the Wrights , had they read it ...
... later , the birth of flight was preceded by a similar chorus of Cassandras -most famous of whom was the great American astronomer Simon Newcomb . ( In 1903 Newcomb wrote a paper which should have convinced the Wrights , had they read it ...
Pagina 195
... later , was to echo the thunder of the first rockets climbing towards space . The power that was released on that day can take us to the stars , or it can send us to join the great reptiles and Nature's other unsuccessful experiments ...
... later , was to echo the thunder of the first rockets climbing towards space . The power that was released on that day can take us to the stars , or it can send us to join the great reptiles and Nature's other unsuccessful experiments ...
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