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 and — much making a safe landing on the return . This thin blanket of air , without which ...
... 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 and — much making a safe landing on the return . This thin blanket of air , without which ...
Pagina 71
... later . This , of course , gives the pilot a very wide range of control , though the timing for " take - off " must be exact . For the ship to reach the Moon's orbit , it must leave the vicinity of the Earth at a little less than full ...
... later . This , of course , gives the pilot a very wide range of control , though the timing for " take - off " must be exact . For the ship to reach the Moon's orbit , it must leave the vicinity of the Earth at a little less than full ...
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
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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acceleration already astronautics astronomers atmosphere 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 free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar involved ionosphere journey Jupiter landing light light-years lunar 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 trolley Uranus voyage weight