The Exploration of SpacePocket Books, 1979 - 237 pagini Presents a nonscientific explanation of space exploration and a view of future life on other planets. |
Din interiorul cărții
Rezultatele 1 - 3 din 23
Pagina 88
... direction towards the Earth nor any other direction is " down . " The members of the crew who may leave the ship in their space - suits to assist with the fuel transfer will be weightless and can float where they will under the impetus ...
... direction towards the Earth nor any other direction is " down . " The members of the crew who may leave the ship in their space - suits to assist with the fuel transfer will be weightless and can float where they will under the impetus ...
Pagina 102
... direction could have its rotation stopped by a rocket fired against the direction of spin . This method would be useful to get rid of unwanted rotation , but might be inconvenient if one only desired to turn a non - spinning ship ...
... direction could have its rotation stopped by a rocket fired against the direction of spin . This method would be useful to get rid of unwanted rotation , but might be inconvenient if one only desired to turn a non - spinning ship ...
Pagina 113
... direction , or both , to correct for this . We have already pointed out , on page 102 , that the actual orientation or attitude of a spaceship has noth- ing to do with its direction of motion : it could be spinning or pointing in space ...
... direction , or both , to correct for this . We have already pointed out , on page 102 , that the actual orientation or attitude of a spaceship has noth- ing to do with its direction of motion : it could be spinning or pointing in space ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
18 alte secțiuni nu sunt arătate
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
acceleration airless already astronautics astronomers atmo atmosphere body bricks build carry certainly Chapter chemical completely conquest of space consider course crew degrees F difficult direction distance Earth energy enormous escape velocity exist exploration extremely fact Figure fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere Jerry Pournelle journey Jupiter landing large number light light-years lunar Mars and Venus Martian means Mercury meteors miles in diameter million minutes missile Moon Moon's motors never normal observed once oxygen payload perhaps planetary planets Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri radar radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spin stars stations surface take-off telescope temperature thousand thrust tion trolley voyage weight weightless