The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 47
... reasons for believing that , in time , we will be able to harness atomic energy for rocket propulsion . This would ... reason why there should not be . “ Orbital refuelling ” , as it has been christened , is the key to interplanetary ...
... reasons for believing that , in time , we will be able to harness atomic energy for rocket propulsion . This would ... reason why there should not be . “ Orbital refuelling ” , as it has been christened , is the key to interplanetary ...
Pagina 64
... chemical rockets once more , to prevent local contamina- tion by the blast . Using the atomic rockets in this manner might be a matter of necessity for yet another reason . Although this is still 64 THE EXPLORATION OF SPACE.
... chemical rockets once more , to prevent local contamina- tion by the blast . Using the atomic rockets in this manner might be a matter of necessity for yet another reason . Although this is still 64 THE EXPLORATION OF SPACE.
Pagina 199
... -8 influence on spaceship design , 58 , 99 reason for , 52 Welles , H. G. , 3 First Men in the Moon , 6-7 Wilkins , Bishop Discourse Concerning a World , 4 New RETURN ANAISH FROM WHICH EORROWED STATISTICS LIBRARY This book is INDEX 199.
... -8 influence on spaceship design , 58 , 99 reason for , 52 Welles , H. G. , 3 First Men in the Moon , 6-7 Wilkins , Bishop Discourse Concerning a World , 4 New RETURN ANAISH FROM WHICH EORROWED STATISTICS LIBRARY This book is INDEX 199.
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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Termeni și expresii frecvente
acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mare Imbrium Mars and Venus Martian means Mercury meteors million minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust tion trolley Uranus voyage weight