AaS! 194: Does the Universe Rotate?

How do we know that the universe doesn’t rotate? Why would it matter if it did? What does all this have to do with time travel? 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).