Answer: The Big Bang Theory is the leading interpretation of how the universe has started. In its simplest, the universe as we know it began with a tiny singularity, and then, for the next 13.8 billion years, was inflated to the cosmos we know today.
Explanation:
Hope This Helps!!! : )
Answer: Simply put, it says the universe as we know it started with an infinitely hot and dense single point that inflated and stretched — first at unimaginable speeds, and then at a more measurable rate — over the next 13.8 billion years to the still-expanding cosmos that we know today
Explanation: I believe this is the answer
