What is a vacuum, and what makes a false one? What happened in the early universe to bring about our current physics? Will it happen again? If so, when? I discuss these questions and more in today's Ask a Spaceman!

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Thanks to Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).