AaS! 198: What's So Weird About Black Hole Shadows?

How does a black hole make a shadow? What can we learn from it? What are we seeing when we look at a black hole? 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).