The Search for Extraterrestrial Intelligence, SETIPhilip Morrison, John Billingham, John Wolfe National Aeronautics and Space Administration, Scientific and Technical Information Office, 1977 - 276 páginas |
Dentro del libro
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Página vii
... possible intelligent beings , on other planets . The philosopher in me would want to believe that if there are other intelligent beings , they are also free , and will use that freedom to try to find us . The basic problem to which this ...
... possible intelligent beings , on other planets . The philosopher in me would want to believe that if there are other intelligent beings , they are also free , and will use that freedom to try to find us . The basic problem to which this ...
Página xii
... Possible Uses of an Interstellar Search System . for Radio Astronomy 147 Jeffrey N. Cuzzi and Samuel Gulkis 6. SETI Related Scientific and Technological Advances David C. Black and Mark A. Stull 173 7. A Preliminary Parametric Analysis ...
... Possible Uses of an Interstellar Search System . for Radio Astronomy 147 Jeffrey N. Cuzzi and Samuel Gulkis 6. SETI Related Scientific and Technological Advances David C. Black and Mark A. Stull 173 7. A Preliminary Parametric Analysis ...
Página 4
... possible that on some the work of natural selection has continued for times which could be five or ten billion years longer than the whole history of our Sun and Earth . We could conceive that life never arose on a given planet , or ...
... possible that on some the work of natural selection has continued for times which could be five or ten billion years longer than the whole history of our Sun and Earth . We could conceive that life never arose on a given planet , or ...
Página 6
... possible signals . Perhaps it will be only an accidental signal , as we have made ourselves . That would be harder to find . Or perhaps there is a deliberate signal , a beacon for identification , or even a network of communica- tion ...
... possible signals . Perhaps it will be only an accidental signal , as we have made ourselves . That would be harder to find . Or perhaps there is a deliberate signal , a beacon for identification , or even a network of communica- tion ...
Página 7
... possible for a civilization to maintain an advanced technological state and not destroy itself . We might even learn that life and intelligence pervade the Universe . The sharpness of the impact of simple detection will depend on the ...
... possible for a civilization to maintain an advanced technological state and not destroy itself . We might even learn that life and intelligence pervade the Universe . The sharpness of the impact of simple detection will depend on the ...
Otras ediciones - Ver todas
The Search for Extraterrestrial Intelligence, SETI Philip Morrison,John Billingham,John Wolfe Vista completa - 1977 |
The Search for Extraterrestrial Intelligence, SETI Philip Morrison,John Billingham,John Wolfe Vista completa - 1977 |
The Search for Extraterrestrial Intelligence, SETI Philip Morrison,John Billingham,John Wolfe Vista completa - 1977 |
Términos y frases comunes
Ames Research Center antenna Arecibo array astrometric bandwidth beam biological capabilities CETI clouds collecting area COMPLEMENTARY DOCUMENT cosmic cost cultural density detection direction distance Earth Earth-based electromagnetic emission energy extraterrestrial civilizations extraterrestrial intelligence factors flux level frequency band galactic Galaxy ground-based hydrogen interstellar communication interstellar medium interstellar search Jesse Greenstein Jet Propulsion Laboratory main sequence maser microwave window NASA noise observations Observatory optimum orbit Philip Morrison planetary systems planets polarization possible present problem Project Cyclops pulsars pulse radar radial velocity radiation radio astronomy radio frequency interference radio telescopes range received resolution satellite Science Workshop scientific search for extraterrestrial search for signals search strategy search system Section sensitivity SETI Program Office SETI system signals from extraterrestrial solar system sources space species spectral type spectrum star formation stellar studies techniques temperature terrestrial transmitters University W/m² water hole wavelength