Science AMA Series: I'm Christophe Galfard, a theoretical physicist and author of The Universe In Your Hand. I write and speak about the science of the universe, from black holes to our cosmic origins and nearly everything in between. AMA!

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Hello Reddit!

My name is Dr. Christophe Galfard and I'm a theoretical physicist and author of The Universe In Your Hand. I hold a Ph.D. in Theoretical Physics from Cambridge University where my supervisor was the world-renowned Professor Stephen Hawking. I worked with him on black holes and the origin(s) of our universe for many years. While I'm no longer at Cambridge, I now spend pretty much all my time spreading scientific knowledge to the general public in [hopefully] entertaining ways. From the tiniest particles to the edge of our known universe as well as theoretical scientific attempts to unify all known forces in a Theory of Everything, I seek to help everyone understand the science of our world - as it is seen by today’s scientists.

How was our universe formed? Why do stars die and why do some of them become black holes? Our world is filled with mystery, excitement, and questions whose answers still escape the brightest minds to walk on Earth. My goal is to help everyone who wants to learn more about our universe and how it works in a way that anyone is able to understand and grasp. If you've ever had a question about the solar system, the Big Bang, dark matter, parallel universes, quarks, or anything else (science related!), now's the time.

I will be back to answer your questions at 3 pm EDT, Ask me anything!

">Science AMA Series: I'm Christophe Galfard, a theoretical physicist and author of The Universe In Your Hand. I write and speak about the science of the universe, from black holes to our cosmic origins and nearly everything in between. AMA!