Justin Khoury

Cosmological Conundrums is based on an in-depth filmed conversation between Howard Burton and Justin Khoury, Professor of Physics at the University of Pennsylvania. This thoughtful, extensive conversation gives a window into the world of a practicing cosmologist, the often-considerable gap between formal scientific positions and personal scientific interests and examines a wide range of fascinating topics that his research covers such as the early universe, the Big Bang, dark matter, dark energy, Cosmic Microwave Background, the MOND (Modified Newtonian Dynamics) theory, and more.

This carefully-edited book includes an introduction, Into The Light, and questions for discussion at the end of each chapter:

  1. Becoming A Physicist – The power of passion
  2. The Victim of Its Success? – Swinging scientific pendulums
  3. Periodically Fiery – Calculating colliding branes
  4. The CMB – Almost completely homogeneous
  5. The Process of Discovery – Typically messier than you think
  6. Learning from History – Missing mass or missing theory?
  7. MOND vs. Dark Matter, Part I – Looking at galaxies
  8. MOND vs. Dark Matter, Part II – Dark matter roars back
  9. Why Not Both? – The liquid helium analogy
  10. Dark Energy – Vacuum energy and the cosmological constant problem
  11. Personal vs. Professional – The scientist as childlike iconoclast
  12. Revolutionary Rumblings – Cosmology’s Golden Age

Now available in electronic format on:

Cosmological Conundrums is also available as part of the 5-part Ideas Roadshow Collection called Conversations About Astrophysics & Cosmology in both paperback and electronic format.

Read more here


We’ve produced a one-hour video of our conversation with Justin Khoury which is now available on Vimeo On Demand: https://vimeo.com/ondemand/cosmologicalconundrums