They didn't; the big bang theory is just an idea or a theory, not a fact.
The empirical evidence that our Universe was, 13.7 billion years ago, much more dense that it is now, is overwhelming. No other explanation even begins to explain what we observe in our Universe. Saying the Big Bang is a "just an idea or theory" is like saying gravity is "just an idea or a theory, not a fact."
I know of no such reference for a "natural" Big Bang Theory. Must be just another way of referring to the Big Bang Theory with a differing focus (i.e. kind of like the Hot Big Bang Theory).
The Big Bang theory isn't a mystery: the scientists working on it know exactly what they mean by what they say.
Hello i am minakshi answer is that the big bang theory is an example of old scientific theory as big bang theory explains that there was an explosion but the isotropy and the homogenity of the universe is not explained by big bang theory to explain his we connect inflatation theory with big bang theory to explain it so the big bang theory is also an example of old scientific theory.
the big bang theory
The Big Bang Theory is set in Pasadena California.
No, there is not.
Yes... You should know that
Big Bang Theory is available for rental only.
The duration of The Big Bang Theory is -1320.0 seconds.
The Big Bang is the theory that was developed to describe the origins of the universe.
No. The Big Bang theory came a lot later.
Constellations are components of galaxies and have little to do with the Big Bang Theory.