Space Travel: A HistoryHarper & Row, 1985 - 308 pagini |
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Pagina 21
... Mars . The spaceship , a huge thing with three - foot - thick walls , " resembled the form of an antique Dutch East - Indiaman . " The deck and keel were " absolutely flat , and each one hundred feet in length and fifty in breadth , the ...
... Mars . The spaceship , a huge thing with three - foot - thick walls , " resembled the form of an antique Dutch East - Indiaman . " The deck and keel were " absolutely flat , and each one hundred feet in length and fifty in breadth , the ...
Pagina 191
... Mars and the Ameri- cans one . Both Mars 2 and Mars 3 took advantage of the May 1971 launch window , the former leaving Earth parking orbit on 19 May and the latter on 28 May . They reached the red planet 5 days apart , on 27 November ...
... Mars and the Ameri- cans one . Both Mars 2 and Mars 3 took advantage of the May 1971 launch window , the former leaving Earth parking orbit on 19 May and the latter on 28 May . They reached the red planet 5 days apart , on 27 November ...
Pagina 193
... Mars had to be eliminated for two reasons : it would always leave the " discovery " of possible life on Mars in doubt ; and , it could ravage whatever indigenous life that might have developed there . After a brief delay in which the ...
... Mars had to be eliminated for two reasons : it would always leave the " discovery " of possible life on Mars in doubt ; and , it could ravage whatever indigenous life that might have developed there . After a brief delay in which the ...
Cuprins
A THOUSAND YEARS OF ROCKETRY | 22 |
PIONEERS OF SPACE TRAVEL | 40 |
THE LEGACY OF THE PIONEERS | 60 |
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Termeni și expresii frecvente
aboard Aeronautics Air Force aircraft airplane altitude American Apollo Apollo 11 April Army astronauts Astronomy atmosphere August became boosters Braun British camera carried carrier Center Columbia command craft crew designed developed diameter docking Earth experiments exploration feet long fired flight tests flown fuel Gemini German Goddard Hermann Oberth ICBM inches interplanetary July Jupiter Kennedy Space Center landing later launcher liquid oxygen lunar maneuvering Mars ment miles per hour military mission module Moon motor NASA National Navy Oberth October operational orbit parachute payload Peenemünde pilot planets planned pounds of thrust propellant propulsion range re-entry rocket engines rocketry Russians Salyut satellite Saturn Saturn 1B scientists shuttle Skylab solid-propellant sounding rockets Soviet Soyuz space flight space station space travel spacecraft Spacelab Sputnik stage surface tank target tion Tsiolkovsky United unmanned velocity Viking voyage weapon weighed Wernher von Braun World York
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