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Página 66
His ship must have a speed of only 870 m.p.h. over escape velocity . The ex- cess speed is added to the earth's orbital speed ( 66,600 m.p.h. ) that the spaceship had before it was launched . This is enough to offset the sun's ...
His ship must have a speed of only 870 m.p.h. over escape velocity . The ex- cess speed is added to the earth's orbital speed ( 66,600 m.p.h. ) that the spaceship had before it was launched . This is enough to offset the sun's ...
Página 127
You see a village upside down , or a ship so big it takes up half the horizon and then suddenly shrinks and becomes not much big- ger than a lifeboat . " A stout officer beside us nodded 127 agreement . " Once when I was sec- ond mate ...
You see a village upside down , or a ship so big it takes up half the horizon and then suddenly shrinks and becomes not much big- ger than a lifeboat . " A stout officer beside us nodded 127 agreement . " Once when I was sec- ond mate ...
Página 249
Ahead were the mine sweepers - six small ships pread out in a diagonal formation like one side of n inverted V. ... Estimating the distance separating one ship from the next and knowing the total number of vessels , he figured that the ...
Ahead were the mine sweepers - six small ships pread out in a diagonal formation like one side of n inverted V. ... Estimating the distance separating one ship from the next and knowing the total number of vessels , he figured that the ...
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Contenido
Allen Rankin | 39 |
Scientific American | 45 |
Corruption the Committeeand Senator McClellan | 85 |
Derechos de autor | |
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