Our consistent theories about the evolution of the universe begin:

Question

Quizplus · Accepted Answer

Theories about the evolution of the universe begin a fraction of a second after the Big Bang, as this is when the universe began to expand rapidly and cool down, allowing for the formation of matter and energy. Before the Big Bang, there is currently no scientific explanation or theory. 30,000 years after the Big Bang is still a very early period in the evolution of the universe, and 380,000 years after the Big Bang is when the cosmic microwave background radiation was emitted, which is an important event but not the beginning of our understanding of the evolution of the universe.

Our Consistent Theories About the Evolution of the Universe Begin