John and I welcomed Dr. Enrique Gaztanaga who is at the Portsmouth University, in the UK. The professor proposes an alternative theory of the universe to the established Big Bang theory. Since the JWST has been on line, problems with the Big Bang have been detected with our guest at the lead in proposing his alternative theory which is still under investigation. While listening to this two part program, visit Professor Gaztanaga's excellent website for more detail and a listing of his published articles. See https://darkcosmos.com. You can also read his new publshed paper in In a new paper just published in Physical Review D. Briefly and from his website, "the Big Bang was not the start of everything, but rather the outcome of a gravitational collapse that formed a very massive black hole — followed by a bounce inside. This idea — which we call the Black Hole Universe — offers a radically different view of cosmic origins, yet it is grounded entirely in known physics and observations." Listen to his discussion and check out his papers and more on his theory. I am sure Enrique will be back to Hotel Mars and to The Space Show many times over in the future.