The Exploration of SpaceHarper, 1951 - 199 pagini |
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... Interplanetary Society for their assistance during the preparation of this book . Although I take responsibility for any views put forward , I can claim originality for very few of the ideas men- tioned herein , most of which have been ...
... Interplanetary Society for their assistance during the preparation of this book . Although I take responsibility for any views put forward , I can claim originality for very few of the ideas men- tioned herein , most of which have been ...
Pagina 10
... interplanetary navigation . Finally , the shapes of the orbits . They are very nearly circular , with the Sun at the centre . Only Mercury , Mars and — once again— Pluto depart seriously from this rule , their orbits being apprecia- bly ...
... interplanetary navigation . Finally , the shapes of the orbits . They are very nearly circular , with the Sun at the centre . Only Mercury , Mars and — once again— Pluto depart seriously from this rule , their orbits being apprecia- bly ...
Pagina 46
... interplanetary travel it would , almost inevitably , be fatal . We can now sum - up the requirements for any interplanetary voyage , as follows : ( 1 ) The ship must build up sufficient speed to escape from the Earth , and when it has ...
... interplanetary travel it would , almost inevitably , be fatal . We can now sum - up the requirements for any interplanetary voyage , as follows : ( 1 ) The ship must build up sufficient speed to escape from the Earth , and when it has ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mare Imbrium 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 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 tion trolley Uranus voyage weight