Extraterrestrials
MIT Press Essential Knowledge Series
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Extraterrestrials
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Narrado por:
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Rick Adamson
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De:
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Wade Roush
Acerca de esta escucha
Everything we know about how planets form and how life arises suggests that human civilization on Earth should not be unique. We ought to see abundant evidence of extraterrestrial activity - but we don't. Where is everybody? In this volume in the MIT Press Essential Knowledge series, science and technology writer Wade Roush examines one of the great unsolved problems in science: Is there life, intelligent or otherwise, on other planets?
This paradox (they're bound to be out there; but where are they?), first formulated by the famed physicist Enrico Fermi, has fueled decades of debate, speculation, and, lately, some actual science. Roush lays out the problem in its historical and modern-day context and summarizes the latest thinking among astronomers and astrobiologists. He describes the long history of speculation about aliens; the emergence of SETI (the Search for Extraterrestrial Intelligence) as a scientific discipline in the 1960s, and scientists' use of radio and optical techniques to scan for signals; and developments in astrobiology and exoplanet research. Finally, he discusses possible solutions to the Fermi Paradox and suggests way to refocus SETI work that might increase the chances of resolving the paradox - and finding extraterrestrials.
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Since its 2009 launch, the Kepler satellite has discovered more than 2,000 exoplanets, or planets outside our solar system. More exoplanets are being discovered all the time, remarkable in their variety. Astronomer Michael Summers and physicist James Trefil explore these remarkable recent discoveries: planets revolving around pulsars, planets made of diamond, planets that are mostly water, and numerous rogue planets wandering through the emptiness of space.
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It is now known that we live in a galaxy with more planets than stars. The Milky Way alone encompasses 30 trillion potential home planets. Scientists Trefil and Summers bring listeners on a marvelous experimental voyage through the possibilities of life-unlike anything we have experienced so far - that could exist on planets outside our own solar system.
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Lo que los oyentes dicen sobre Extraterrestrials
Calificaciones medias de los clientesReseñas - Selecciona las pestañas a continuación para cambiar el origen de las reseñas.
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Total4 out of 5 stars
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Ejecución4 out of 5 stars
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Historia5 out of 5 stars
- Adam
- 09-17-24
Interesting but missing a PDF
It was an interesting listen and not too long by an appropriate and qualified author. Main issue I had is impossible to follow all the variables from the Drake equation discussed in the book. You really need a printed reference such as an added PDF to be able to follow this.
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Total5 out of 5 stars
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Ejecución4 out of 5 stars
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Historia4 out of 5 stars
- hammi
- 07-21-23
A much needed nonfiction discourse on ET
THANK YOU AUDIBLE FoR KEEPING THIS FREE. ALWAYS LOVE to learn and LISTEN TO ERUDITE INDIVIDUALS..
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