The Exploration of SpaceTemple Press, 1951 - 198 pagini |
Din interiorul cărții
Rezultatele 1 - 3 din 56
Pagina 49
... atmosphere were made at the correct angle , there would be no danger of the ship becoming incandescent : it would ... ATMOSPHERE FIRST CONTACT WITH ATMOSPHERE On its first contact , the ship would stay inside. Figure 11. Returning to ...
... atmosphere were made at the correct angle , there would be no danger of the ship becoming incandescent : it would ... ATMOSPHERE FIRST CONTACT WITH ATMOSPHERE On its first contact , the ship would stay inside. Figure 11. Returning to ...
Pagina 50
... atmosphere . It could then make a landing as a glider , slowly shedding its speed by air resistance . This operation ( called " entry by braking ellipses " ) is shown in Figure 11. It is of enormous importance , as it implies that no ...
... atmosphere . It could then make a landing as a glider , slowly shedding its speed by air resistance . This operation ( called " entry by braking ellipses " ) is shown in Figure 11. It is of enormous importance , as it implies that no ...
Pagina 144
... atmospheres of these planets , but as we are looking at least fifty years ahead it is reasonable to suppose that by then nuclear power plants for aircraft will have been perfected , and the surrounding atmosphere will be used merely as ...
... atmospheres of these planets , but as we are looking at least fifty years ahead it is reasonable to suppose that by then nuclear power plants for aircraft will have been perfected , and the surrounding atmosphere will be used merely as ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
Drept de autor | |
19 alte secțiuni nu sunt arătate
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
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 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 scientific seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole