#2688: Bubble Universes

XKCD comic, described below.
Transcript

[Cueball blowing expanding bubbles. In the largest one is a whole new universe with another Cueball blowing similar bubbles. The bubbles are progressively darker: the first ones are regular transparent/white bubbles, and as they grow, they turn gray then dark, to match the black night sky, with stars, galaxies, planets and other astronomical bodies]


(Sourced from explainxkcd.com)

Title text:The theory finally unifies cosmic inflation and regular inflation.


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