
PBS Space Time
Supervoids vs Colliding Universes!
2017 • E20 Jun 6, 2017 14m
If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast supervoids, or even the imprint of another universe?