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|url=

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|isbn=978-0-7459-5371-7

|isbn=978-0-7459-5371-7

|quote=Apart from the obvious fact that no one observed [the origin of the universe], scientists think of the Big Bang as a singularity in the past, an unrepeatable event;...}}</ref> and that has no ''natural'' explanation. Most frequently the term is used in connection with the origin of the [[universe]] and it is subject of study by [[origin science]]. When scientific principles were first being developed into the [[scientific method]], scientists like [[Francis Bacon]], [[Johannes Kepler]], [[Isaac Newton]], and [[Lord Kelvin|William Kelvin]] distinguished between primary and [[Natural causes|secondary (''natural'') causes]]. A ''primary cause'' was meant to be a ''first cause'' to explain singularities.<ref name="skeptics">{{Cite book

|quote=Apart from the obvious fact that no one observed [the origin of the universe], scientists think of the Big Bang as a singularity in the past, an unrepeatable event;...}}</ref> and that has no ''natural'' explanation. Most frequently the term is used in connection with the origin of the [[universe]] and it is subject of study by [[origin science]]. When scientific principles were first being developed into the [[scientific method]], scientists like [[Francis Bacon]], [[Johannes Kepler]], [[Isaac Newton]]{{#tag:ref|cf."This most beautiful system of the sun, planets, and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being....This Being governs all things, not as the soul of the world, but as Lord over all; and on account of his dominion he is wont to be called Lord God "''pantokrator''," or Universal Ruler...Since every particle of space is always, and every indivisible moment of duration is every where, certainly the Maker and Lord of all things cannot be never and no where....God is the same God, always and every where. He is omnipresent not virtually only, but also substantially; for virtue cannot subsist without substance.…It is allowed by all that the Supreme God exists necessarily; and by the same necessity he exists always and every where....And thus much concerning God; to discourse of whom from the appearance of things, does certainly belong to Natural Philosophy." ''Newton, I.: General Scholium. Translated by Motte, A. 1825. Newton's Principia: The Mathematical Principles of Natural Philosophy''<ref>{{cite web

}}</ref>|group=note}}, and [[Lord Kelvin|William Kelvin]] distinguished between primary and [[Natural causes|secondary (''natural'') causes]]. A ''primary cause'' was meant to be a ''first cause'' to explain singularities.<ref name="skeptics">{{Cite book

   | author = Norman L. Geisler and Ronald M. Brooks

   | author = Norman L. Geisler and Ronald M. Brooks

   | year=1990

   | year=1990

== The big bang singularity ==

== The big bang singularity ==

'''The [[Big Bang theory|big bang]] singularity''' or '''the cosmic singularity''' refers to a conjectured state at ''the beginning of the universe'' in which material particles were at no distance from one another and the temperature, density, and curvature of the universe were ''infinite''. The inference to this state is based on the evidence that the universe is expanding and thus it has established a clear path into the past. If expanding things (the large scale structure of the universe) are now far apart, they must at one point have been close together. At the singularity itself, a great many ''physical parameters'' zoom to infinity. This posts however a great problem for attempts for naturalistic explanations of the beginning of the universe since as the astronomer Joseph Silk observed, an indefinitely dense universe is where ''the laws of physics'', and even space and time, break down.<ref name="Devils">{{Cite book

'''The [[Big Bang theory|big bang]] singularity''' or '''the cosmic singularity''' refers to a conjectured hypothetical state at ''the beginning of the universe'' in which material particles were at no distance from one another and the temperature, density, and curvature of the universe were ''infinite''. The inference to this state is based on the evidence that the universe is expanding and thus it has established a clear path into the past. If expanding things (the large scale structure of the universe) are now far apart, they must at one point have been close together. At the singularity itself, a great many ''physical parameters'' zoom to infinity. This posts however a great problem for attempts for naturalistic explanations of the beginning of the universe since as the astronomer Joseph Silk observed, an indefinitely dense universe is where ''the laws of physics'', and even space and time, break down.<ref name="Devils">{{Cite book

| author = David Berlinski

| author = David Berlinski

| title = The Devil’s Delusion

| title = The Devil’s Delusion