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What is the “cold spot” on the cosmic microwave background? Why shouldn’t it exist? What are some possible explanations for it, and why are they unsatisfying?

0:00 Intro
2:26 How Do We Measure The Cosmic Microwave Background?
16:51 Is the Cold Spot Even Interesting?
30:51 Supervoid or Superdud?
35:10 New Physics or Nothing New?
37:56 Thank You

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