Did the Big Bang Happen More Than Once? Brian Keating, Paul Davies & Maulik Parikh (#387)

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win a meteorite Watch the video of this conversation and see the
presentation here; https://youtu.be/QFLgyCkfYCA Imagine a scenario
in which the Big Bang happened twice. Imagine a scenario in which
it happened numerous, maybe even an infinite number of times.
Imagine a scenario in which it never even happened at all. It may
sound crazy, but all these scenarios are possible.  Recently,
several astronomers and physicists have called into question the
universe’s age and whether the Big Bang even happened. They argue
that the Big Bang is contradicted by recent evidence from the James
Webb Space Telescope and that there is a better explanation for why
our universe appears the way it does. Some alternative theories
suggest the universe isn’t expanding at all, or if it is, the age
of the cosmos is perhaps twice as large as previously thought. A
few weeks ago, I had the pleasure of dissecting these different
scenarios at the Thinking Beyond webinar series featuring renowned
physicists Paul Davies, Sara Walker, and Maulik Parikh from the
Beyond Center for Fundamental Concepts in Science at Arizona State
University. Tune in!  Key Takeaways: 00:00:00 Intro 00:02:05
Brief run-through of modern cosmology  00:09:55 The expansion
rate of the universe and what it tells us 00:17:35 Did the Big Bang
happen more than once?  00:23:25 Cosmic origins and the BICEP
experiment  00:33:32 Q&A with Paul Davies & Maulik
Parikh — Additional resources: Ownership of your health starts with
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