July 20, 2021

Jo Dunkley: This Is Our Universe (#168)

56 minutes

Jo Dunkley is a Professor of Physics and Astrophysical Sciences at Princeton University.

Her research is in cosmology, studying the origins and evolution of the Universe. Her major projects are the Atacama Cosmology Telescope and the Simons Observatory. She's also a member of the Rubin Observatory's Dark Energy Science Collaboration.

Professor Dunkley has been awarded the Maxwell Medal, the Rosalind Franklin award, and the New Horizons prize for her work on the Cosmic Microwave Background, and she shared the Gruber Prize and the Breakthrough Prize with the WMAP team.

In her thrilling new guide to our Universe and how it works OUR UNIVERSE, Professor Dunkley reveals how it only becomes more beautiful and exciting the more we discover about it. With warmth and clarity, Dunkley takes us from the very basics - why the Earth orbits the Sun, and how our Moon works - right up to massive, strange phenomena like superclusters, quasars, and the geometry of spacetime. As she does so, Dunkley unfurls the history of humankind's heroic journey to understand the history and structure of the cosmos, revealing the extraordinary, little-known stories of astronomy pioneers including Williamina Fleming, Vera Rubin and Jocelyn Bell Burnell.

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00:00:00 Intro

00:01:50 How did you come up with the title and idea for the book?

00:03:23 About your collaboration on the book's illustrations.

00:07:06 Why do you use OUR in the title of book? Who is the book for?

00:08:45 What did you learn from writing this book?

00:11:02 What's the status of women in physics & astronomy?

00:16:10 What's your view on big bang cosmology and the origins of the Universe?

00:19:17 What's your view on big bang cosmology and the origins of the Universe?

00:24:09 Do we need new/better ideas in cosmology?

00:26:37 What is "adiabatic" as you discuss in your dissertation?

00:32:37 Where do quantum fluctuations come from and what do they evolve into?

00:37:29 Why is the Universe flat?

00:39:43 Is the existence of a primordial gravitational wave evidence for quantized gravity?

00:51:40 What seemed impossible to your younger self?

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