The Exploration of Space |
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Pagina 76
If the - gyroscopes and steering devices can deal with the one case — as they already do in the V.2 rocket — they can deal just as well with the other . What sort of “ undercarriage " our lunar spaceship would need is an interesting ...
If the - gyroscopes and steering devices can deal with the one case — as they already do in the V.2 rocket — they can deal just as well with the other . What sort of “ undercarriage " our lunar spaceship would need is an interesting ...
Pagina 121
As at her closest she is only 25,000,000 miles away , it might be expected that we would know a great deal about her . Actually , we know practically nothing — not even the fundamental fact of her rotation period , which we know for all ...
As at her closest she is only 25,000,000 miles away , it might be expected that we would know a great deal about her . Actually , we know practically nothing — not even the fundamental fact of her rotation period , which we know for all ...
Pagina 158
Shortly after the end of the Second World War , a good deal was heard in the Press about gigantic “ space - mirrors ” which the Germans were supposed to be considering as weapons of war . The truth behind this rumour was somewhat less ...
Shortly after the end of the Second World War , a good deal was heard in the Press about gigantic “ space - mirrors ” which the Germans were supposed to be considering as weapons of war . The truth behind this rumour was somewhat less ...
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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