<p>In the Big Bang Theory, it is said that it started with a small speck of matter, yet we have an unimaginable mass of expanding universe which is assumed as immeasurable. If the theory of "Matter cannot be created nor destroyed" than how is it possible for the Big Bang to be considered true?</p>

<p>What is not correct about my (very amateur) understanding? </p>

CC BY-SA 4.0
2020-03-21T03:57:18.443Z
Also see [Did the Big Bang happen at a point?](https://physics.stackexchange.com/q/136860/123208)
PM 2Ring
CC BY-SA 4.0
2020-03-21T07:55:54.440Z
The "big bang" is a model, not a theory. https://physics.stackexchange.com/questions/187967/what-is-the-difference-between-a-model-and-a-theory
ProfRob
<big-bang-theory><matter>
How is the big bang a plausible theory?
Joss Burton
# How is the big bang a plausible theory?

(Asked by: username_0 on 2020-03-21)

In the Big Bang Theory, it is said that it started with a small speck of matter, yet we have an unimaginable mass of expanding universe which is assumed as immeasurable. If the theory of "Matter cannot be created nor destroyed" than how is it possible for the Big Bang to be considered true?

What is not correct about my (very amateur) understanding?

**Tags:** big-bang-theory, matter
> **Comments:**
> **username_1**: Also see [Did the Big Bang happen at a point?](https://physics.stackexchange.com/q/136860/123208)  
> **username_2**: The "big bang" is a model, not a theory. https://physics.stackexchange.com/questions/187967/what-is-the-difference-between-a-model-and-a-theory  

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