The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 89
... radiations or meteors , and medical and psychological problems which might arise under these abnormal conditions . Let us first examine the purely physical factors . A spaceship outside the atmosphere would be continually bombarded by ...
... radiations or meteors , and medical and psychological problems which might arise under these abnormal conditions . Let us first examine the purely physical factors . A spaceship outside the atmosphere would be continually bombarded by ...
Pagina 90
... radiation increases , reaching a maximum about twelve miles up , where it may be fifty times as intense as at sea level . With further increase of altitude the value drops again , reaching a uniform level about fifteen times that at the ...
... radiation increases , reaching a maximum about twelve miles up , where it may be fifty times as intense as at sea level . With further increase of altitude the value drops again , reaching a uniform level about fifteen times that at the ...
Pagina 147
... radiation and convection . On an airless planet , the latter effect would not exist and the only conduction loss would be at the points of contact with the ground . Space - suits would therefore have to be fitted with thick insulated ...
... radiation and convection . On an airless planet , the latter effect would not exist and the only conduction loss would be at the points of contact with the ground . Space - suits would therefore have to be fitted with thick insulated ...
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