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Roger Penrose: Odds of the Big Bang's low entropy condition existing by chance are on the order of one out of 101230. There are around 50 such quantities and constants present in the Big Bang that must be fine-tuned in this way if the universe is to permit life.
- Introduction
- Cosmic Coincidences
- The Multiverse and The Anthropic Principle
- Other Writers on The Multiverse, Fine-Tuning and Related Topics
- Conclusion
Is the universe fine-tuned for intelligent life? Astrophysicist Geraint Lewis and cosmologist Luke Barnes, both at the University of Sydney, Australia, wade into this perplexing and controversial arena in a new book, published by Cambridge University Press, entitled A Fortunate Universe: Life in a Finely Tuned Cosmos. The book presents a comprehens...
For several decades, researchers have puzzled over deeply perplexing indications, many of them highly mathematical in nature, that the universe seems inexplicably well-tuned to facilitate the evolution of complex molecular structures and sentient creatures. Some of these “cosmic coincidences” include the following (these and numerous others are pre...
Numerous “explanations” have been proposed over the years to explain these difficulties. One of the more widely accepted explanations is the multiverse, combined with the anthropic principle. The theory of inflation, mentioned above, suggests that our universe is merely one pocket that separated from many others in the very early universe. Similarl...
Lewis and Barnes are hardly alone in observing that the universe appears fine-tuned for life and that this question deserves further analysis. Here is a partial list of eminent researchers who have written on this topic: John Barrow [Barrow1986], Bernard Carr [Carr1979], Sean Carroll [Carroll2010], Brandon Carter [Carter1974], Paul Davies [Davies20...
In the end, the Lewis-Barnes bookdoes not offer any firm answers — only more questions. The one thing that is certain, though, is that our knowledge of the basic underlying mathematical laws governing the universe is incomplete. If examination of these paradoxes eventually leads to a greater understanding of these laws, it will have all been worthw...
Oct 8, 2020 · Contrary to recent headlines and Penrose’s assertions, there is no evidence of “a Universe before the Big Bang.” The quantum fluctuations inherent to space, stretched across the Universe ...
- Ethan Siegel
Jan 19, 2022 · Theories about the universe's origin and ultimate fate often center on how matter could emerge from nothing. Through an exploration of theoretical constructs like the Planck epoch and quantum fluctuations, alongside Roger Penrose's conformal cyclic cosmology, a picture is painted of a universe cy
Conformal cyclic cosmology (CCC) is a cosmological model in the framework of general relativity and proposed by theoretical physicist Roger Penrose.
Nov 14, 2022 · The mathematician shares his latest theories on quantum consciousness, the structure of the universe and how to communicate with civilisations from other cosmological aeons. By Michael Brooks. 14...
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THE GEOMETRIC NATURE OF THE SPECIALNESS. A seeming paradox arises from the fact that our best evidence for the very existence of the Big Bang arises from observations of the microwave background radiation—frequently referred to as the “flash of the Big Bang”, greatly cooled down to its present value of ~2.7K.
