You were fascinated by our discussions about the cosmos.  Let's delve into the origins of the universe.  Explain the Big Bang theory and the evidence that supports it.  Discuss the major events in the evolution of the universe, from the formation of the first stars and galaxies to the present day. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>