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The Omega Point
Is the universe infinitely expanding? Or at some point in the future will it finally reach its limit - and contract upon itself in one catastrophic reversal of the Big Bang? The ultimate answer to this perplexing question rests on one factor: the omega point.
In one of the most astonishing developments of astronomy, scientists have recently discovered that more than 90 percent of the universe is "missing." In "The Omega Point," acclaimed science writer and cosmologist John Gribbin investigates the perplexing mystery of this missing or "dark" matter. How much of it exists? What is it made of? And is its gravitational force enough to one day reach the omega point - the amount needed to cause the big crunch, as this last fatal cosmological squeeze has been nicknamed? From its first moments of creation, deep in the outermost regions of space, down to the microworld of quarks, bayrons, mesons, and other exotic forms of matter, Gribbin takes us on a fascinating journey along the arrow of time to discover the true nature of the universe we live in.
In one of the most astonishing developments of astronomy, scientists have recently discovered that more than 90 percent of the universe is "missing." In "The Omega Point," acclaimed science writer and cosmologist John Gribbin investigates the perplexing mystery of this missing or "dark" matter. How much of it exists? What is it made of? And is its gravitational force enough to one day reach the omega point - the amount needed to cause the big crunch, as this last fatal cosmological squeeze has been nicknamed? From its first moments of creation, deep in the outermost regions of space, down to the microworld of quarks, bayrons, mesons, and other exotic forms of matter, Gribbin takes us on a fascinating journey along the arrow of time to discover the true nature of the universe we live in.
- GenresSciencePhysicsNonfiction
245 pages, Paperback
First published January 1, 1988
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About the author
John Gribbin
385 books853 followersJohn R. Gribbin is a British science writer, an astrophysicist, and a visiting fellow in astronomy at the University of Sussex. His writings include quantum physics, human evolution, climate change, global warming, the origins of the universe, and biographies of famous scientists. He also writes science fiction.
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September 20, 2020
En este libro el autor nos da un repaso bastante completo y a la vez sencillo de la cosmología moderna, hasta llegar al punto de la materia oscura. ¿Dónde diablos está la materia oscura? Según los cálculos, más del 95% de la masa del Universo está en forma de materia oscura (27%) o energía oscura (68%). No recuerdo que el autor llegara a precisar entre estas dos fuentes (el libro es del 87, desde entonces hemos avanzado algo). El apelativo "oscura" viene no por su proximidad ideológica a la filosofía Sith sino porque no emite radiación electromagnética y es por tanto indetectable para nuestro sistemas actuales de medición (excluimos detectores de ondas gravitacionales, que son capaces de detectar otro tipo de eventos).
En conjunto es un paseo maravilloso por la cosmología, en la que una pregunta hace que nos pongamos al día en lo que sí sabemos para poder preguntarnos con fundamente qué diablos pasa con lo que no entendemos. Un viaje de de conocimiento que merece la pena.
En conjunto es un paseo maravilloso por la cosmología, en la que una pregunta hace que nos pongamos al día en lo que sí sabemos para poder preguntarnos con fundamente qué diablos pasa con lo que no entendemos. Un viaje de de conocimiento que merece la pena.
Displaying 1 of 1 review