The Exploration of Space |
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Pagina 71
This would give ample time for any further checks on its course , and such small steering corrections as proved necessary could be made at the appropriate times . On the fourth day , the Moon would be so near that its attraction would ...
This would give ample time for any further checks on its course , and such small steering corrections as proved necessary could be made at the appropriate times . On the fourth day , the Moon would be so near that its attraction would ...
Pagina 80
At fairly long intervals during the course of a journey it would become apparent that the ship's actual position was beginning to deviate from the orbit it should be following owing to the inevitable errors in the initial period of ...
At fairly long intervals during the course of a journey it would become apparent that the ship's actual position was beginning to deviate from the orbit it should be following owing to the inevitable errors in the initial period of ...
Pagina 111
This of course presents no difficulty , but range would be rather short and the service somewhat erratic owing to the Moon's rugged nature and near horizon -only two miles away for a man six feet high . One of the first tasks of the ...
This of course presents no difficulty , but range would be rather short and the service somewhat erratic owing to the Moon's rugged nature and near horizon -only two miles away for a man six feet high . One of the first tasks of the ...
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Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbors | 9 |
The Rocket | 17 |
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able acceleration actual already appear astronautics astronomers atmosphere atomic become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discuss distance Earth effect energy exist exploration extremely fact fall field Figure fuel give gravity greater heat hundred idea imagine important impossible increase interesting interplanetary involved journey known landing least less light limit live look lunar Mars material matter means miles million minutes Moon necessary never observed once operation orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce purely radio reach reason remain rocket round satellite seems seen ship shown simple Solar space spaceship speed stars stations structure suggested surface telescope temperature thousand Universe vehicle velocity Venus weight whole