The Exploration of Space |
Din interiorul cărții
Rezultatele 1 - 3 din 29
Pagina 72
During the closing stages the motors would probably be throttled back to give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole manoeuvre would be carried out according to a prearranged ...
During the closing stages the motors would probably be throttled back to give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole manoeuvre would be carried out according to a prearranged ...
Pagina 93
The same thing applies to the gases of the upper atmosphere , which are at temperatures of at least 3,000 degrees F. Although millions of times denser than the interstellar gas , even they are too rarefied to give any heat to a body ...
The same thing applies to the gases of the upper atmosphere , which are at temperatures of at least 3,000 degrees F. Although millions of times denser than the interstellar gas , even they are too rarefied to give any heat to a body ...
Pagina 98
They can also orientate themselves correctly even under water , when there is no sensation of weight to give any assistance . This is because vision alone is quite sufficient to give us a “ reference system ” without ...
They can also orientate themselves correctly even under water , when there is no sensation of weight to give any assistance . This is because vision alone is quite sufficient to give us a “ reference system ” without ...
Ce spun oamenii - Scrie o recenzie
Nu am găsit nicio recenzie în locurile obișnuite.
Cuprins
THE SHAPING OF THE DREAM | 1 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
Drept de autor | |
17 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 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