The Exploration of Space |
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Pagina 43
The Road to the Planets Are thy wings plumed indeed for such far flights ? WALT WHITMAN — Passage to India N the last chapter , we touched on the subject of interplanetary orbits — as opposed to “ mere ” circumnavigations of the Moon ...
The Road to the Planets Are thy wings plumed indeed for such far flights ? WALT WHITMAN — Passage to India N the last chapter , we touched on the subject of interplanetary orbits — as opposed to “ mere ” circumnavigations of the Moon ...
Pagina 120
The Inner Planets Hesper - Venus - were we native to that splendour or in Mars , We should see the Globe we groan in , fairest of their evening stars . Could we dream of wars and carnage , craft and madness , lust and spite , Roaring ...
The Inner Planets Hesper - Venus - were we native to that splendour or in Mars , We should see the Globe we groan in , fairest of their evening stars . Could we dream of wars and carnage , craft and madness , lust and spite , Roaring ...
Pagina 139
This exhausts the list of planets , as far as it is known today . There is no theoretical reason why planets should not exist at very much greater distances than Pluto , but their detection would be extremely difficult and to some ...
This exhausts the list of planets , as far as it is known today . There is no theoretical reason why planets should not exist at very much greater distances than Pluto , but their detection would be extremely difficult and to some ...
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Cuprins
THE SHAPING OF THE DREAM | 1 |
THE EARTH AND ITS NEIGHBOURS | 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 discovered discuss distance Earth effect energy escape exist exploration extremely fact fall field Figure fuel give given gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing least less light limit live look lunar Mars material matter means miles minutes Moon motors moving necessary never observed once orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce purely radio reach reason relatively remain rocket round satellite seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole