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Event horizon
Alexander Friedmann proposed models of the universe based on the idea it is uniform on a large scale and as such should look uniform from any given point. From his work came a variety of different Friedmann models, proposed by many different scientists, which offer suggestions as to the birth and development of the universe on the basis of general relativity.
Friedmann model Quotes in A Brief History of Time
The A Brief History of Time quotes below are all either spoken by Friedmann model or refer to Friedmann model. For each quote, you can also see the other terms and themes related to it (each theme is indicated by its own dot and icon, like this one:
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Chapter 3
Quotes
Many people do not like the idea that time has a beginning, probably because it smacks of divine intervention. (The Catholic Church, on the other hand, seized on the big bang model and in 1951 officially pronounced it to be in accordance with the Bible.)
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Friedmann model Term Timeline in A Brief History of Time
The timeline below shows where the term Friedmann model appears in A Brief History of Time. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 3
All the Friedmann models start out with a beginning where the space between everything was zero—the universe was infinitely...
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Chapter 8
But first, one should understand the “hot big bang model.” This model is a Friedmann model , in which matter cools as the universe expands, meaning the matter has less energy....
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