The Big Bang, Cosmology part 1

The video explores the evolution of our understanding of the universe, from early static models to the Big Bang theory. It highlights key discoveries, such as Vesto Slipher's redshift observations and the cosmic microwave background, which support the expanding universe model. The video explains the concept of lookback time and how it helps us see the universe's past. It also clarifies misconceptions about the Big Bang, emphasizing that space itself is expanding. The video concludes with the current understanding that the universe is approximately 13.82 billion years old.

What new insight or understanding did you gain from this video?