I cannot answer your questions. The provided transcript is unavailable, preventing me from accessing the information needed to address your queries regarding the Big Bang Theory, star and planet formation, the creation of Earth, and the implications for the possibility of life elsewhere.
The video, "The History of The World in 2 Hours," as the title suggests, aims to provide a condensed overview of world history, starting from the Big Bang and covering significant events up to the present day. Since no transcript is available, the specific details of the historical periods covered are unknown.