Talk:Big Bang
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User:Oldstone James confusing edits
User:Oldstone James firstly changed content from "Current conception of the Big Bang model assumes the existence of energy, time, and space, and does not comment about their origin or the cause of the dense and high temperature initial state of the universe" to "Current conception of the Big Bang model assumes the existence of energy as well as currently understood laws of physics and does not comment about their origin or the cause of the dense and high temperature initial state of the universe." which made no sense, and then changed it to "Current conception of the Big Bang model assumes the existence of energy as well as the existence of currently understood laws of physics about their origin or the cause of the dense and high temperature initial state of the universe" which also made no sense. Then it was been changed to "assumes the existence of energy and does not comment about their origin" to what is "their" referring to now? I asked. Please gain consensus here for any further changes. Theroadislong (talk) 18:44, 29 March 2019 (UTC)
- Please stop edit warring to add confusing content NOT supported by the source, the source clearly states "The Big Bang scenario simply assumes that space, time, and energy already existed" [1] Theroadislong (talk) 20:10, 29 March 2019 (UTC)
Model vs Theory
Since this is a scientific page, it should follow scientific terminology.
The word "theory" is very specific in the field of science. I recommend reading https://curiosity.com/topics/whats-the-difference-between-a-fact-a-hypothesis-a-theory-and-a-law-in-science-curiosity/.
The Big Bang has withstood multiple tests and evidence has been provided for it to have happened. In such a situation, it should not be called a theory.
Even Britannica shows this: https://www.britannica.com/science/big-bang-model. — Preceding unsigned comment added by 80.4.213.114 (talk) 12:54, 5 June 2019 (UTC)
- It's an interesting alternative title. However, there's no problem with theory, as long as it means scientific theory. —PaleoNeonate – 12:57, 5 June 2019 (UTC)
- Agree with the reply - in the scientific sense, the term “theory” tends to imply that the intention is to create a set of principles that can be applied to large-scale and generalised Studies, whereas a “model” is a set of principles that would be used to illustrate more specific and narrowly-defined phenomena. Hence, Atomic theory has typically made use of differing models, such as the Plum Pudding Model to demonstrate various phenomena and viewpoints within the larger theory. SmallMossie (talk) 23:42, 25 June 2019 (UTC)
Misquotation of source
The part of the Wright article that is currently cited in note 9 does not say that the Big Bang Theory explains Hubble’s Law, as the wiki article currently states in the opening paragraph. The cited reference states that the expansion of the universe is evidence of the Big Bang. SmallMossie (talk) 21:27, 23 June 2019 (UTC)
- Theories are often circular. The precession of the perihelion of Mercury is explained by GR, but it is also evidence for GR. jps (talk) 21:29, 18 July 2019 (UTC)
Cause
There is no informations about the hipothetical cause of the Big Bang. I created this subsection and I want to put this to 'speculations' section, but my changes were reverted many times. Please tell me what's wrong with it and what i am supposed to change. Text:
Physics may conclude that time did not exist before 'Big Bang', but 'started' with the Big Bang, so there might be no 'beginning' or 'before'.[1][2] Universe is almost flat (zero balance of energy), so no energy had to be created[3][4] and probably Quantum fluctuations (or other laws of physics) 'after' (or 'instantly', because there was no time) the eternal, unchanging 'era' before the time could then randomly create the conditions for matter to occur.— Preceding unsigned comment added by Szymioza (talk • contribs) 20:32, 21 July 2019 (UTC)
References
- ^ "No Big Bang? Quantum equation predicts universe has no beginning". Retrieved 26 April 2017.
- ^ "The Beginning of TIme". Stephen Hawking. Retrieved 26 April 2017.
- ^ "A Universe from Nothing". Astronomical Society of the Pacific. Retrieved 10 March 2010. by Alexei V. Filippenko and Jay M. Pasachoff
- ^ "A Universe From Nothing lecture by Lawrence Krauss at AAI". 2009. Retrieved 17 October 2011.
Featured Article?
This article has not undergone a Featured Article Review since 2007; in the meantime, our FA standards have risen dramatically, and I don't believe that this article currently passes them.
- For starters, the "Overview" section, which may or may not even be needed, has a {{Refimprove}} tag, which right away would disqualify it from appearing as Today's Featured Article and would probably disqualify it if it had to go through FAC right now.
- There are many uncited paragraphs throughout the article.
- The "Misconceptions" sections is suboptimally formatted and needs a good copyedit to be rewritten as prose rather than a list.
That's only what I've seen so far for my first run through. I'll see whether these problems can be fixed, and to what extent I can help, but if these issues are unaddressed I'm afraid I'll have to bring this to FAR. However, other cosmology articles do have high quality and I wouldn't be surprised to find this reparable.
– John M Wolfson (talk • contribs) 07:12, 30 November 2019 (UTC)
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