You didn't observe it, you can't observe it and even if you could, observing it would not tell you the underlying mechanics of what is — Hermeticus
So one way or another, it seems quite implausible that "there was nothing before the Big Bang", both in terms of the actual physics, as well as any sort of conceptual coherency to this idea. — Seppo
Time' is a metric of asymmetric change — 180 Proof
The PBS digital series has said that entropy comes from quantum physics, that time comes from entropy, and that gravity comes from time. So it seems the quantum is the root of gravity. How this works is what present research in studying. Quantum gravity — Gregory
This is exactly the reason there could NOT have been a big bang! — Prishon
Its not about the "creation" of space. Its about the expansion of space. The BBT, at least the parts that are well-corroborated and widely-accepted, doesn't include anything about a "beginning of the universe" or "the creation of spacetime". Its not a theory of origins. Its a theory of the universe's development from a hot dense early state, to the expanding/cooling state we presently observe.
Compare it to how evolution isn't a theory of how life began, but how it developed from some prior state to the currently observed state. — Seppo
Although there is no direct evidence for a singularity of infinite density, the cosmic microwave background is evidence that the universe expanded from a very hot, dense state. — Wikipedia
Its an extremely common misconception/error, and one that science educators/communicators and popular science journalism is constantly propagating. Lots of popular-level articles and videos that casually refer to the Big Bang as the creation, origin, or beginning of the universe, when the accepted theory simply does not include any such thing. — Seppo
Its about the expansion of space. — Seppo
Excellent point! I'll be sure to use this formulation of "origins" (or their current lack of theoretical explanation) in further discussions to clarify the distinction between metaphysics & physics on this topic. :up:The BBT, at least the parts that are well-corroborated and widely-accepted, doesn't include anything about a "beginning of the universe" or "the creation of spacetime". Its not a theory of origins. Its a theory of the universe's development from a hot dense early state, to the expanding/cooling state we presently observe.
Compare it to how evolution isn't a theory of how life began, but how it developed from some prior state to the currently observed state. — Seppo
the prevalence of the misconception also probably has something to do with the rather aggressive propaganda campaign on the part of theists/Christianity/the RCC in particular to speak into existence an equivalence between and/or corroboration of the Christian creation myth by Big Bang cosmology.
Maybe the universe did have a discrete beginning or creation, but its not a part of any accepted or established physical theory. — Seppo
Sure; dark energy. But that's about all we know, its called "dark" mostly because we have no idea what it really is or how it works :razz: — Seppo
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