Why did the universe begin and why are there black holes? How do we know?

“Closer to truth” congratulated Roger Penrose with his Nobel Prize in Physics by posting this interview with him: “Why did our universe begin”. There was some discussion in the comments section, also about general theory of science. I participated in the discussion and use my comments here. Congratulations. And a question about Conformal Cyclic Cosmology. … Continue reading Why did the universe begin and why are there black holes? How do we know?