The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 98
... look as if up - and - down existed . It seems quite likely that , after a prolonged period of weight- lessness , the return of gravity might be a more uncomfortable experience than its cessation . Thus men who had been on a very long ...
... look as if up - and - down existed . It seems quite likely that , after a prolonged period of weight- lessness , the return of gravity might be a more uncomfortable experience than its cessation . Thus men who had been on a very long ...
Pagina 165
... look towards the Milky Way , we are looking along the major axis of the Galaxy so that we see the stars packed in endless ranks as far as the eye , or even the telescope , can see . When we look in other directions , however , our gaze ...
... look towards the Milky Way , we are looking along the major axis of the Galaxy so that we see the stars packed in endless ranks as far as the eye , or even the telescope , can see . When we look in other directions , however , our gaze ...
Pagina 170
... look past the street - lamps of his suburb to the lights of another city , many miles away . The Andromeda Galaxy is the nearest of the other universes , 2 and it is about 700,000 light - years away . In whatever direction we look ...
... look past the street - lamps of his suburb to the lights of another city , many miles away . The Andromeda Galaxy is the nearest of the other universes , 2 and it is about 700,000 light - years away . In whatever direction we look ...
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 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