#2764: Cosmological Nostalgia Content explain

[Megan (with a red tint) holds both her arms out and up while she is talking to Cueball to the left of her. To the right of Megan White Hat is holding both arms out and down while he is talking to Ponytail to the right of him.]

Megan: Only z=10 kids remember watching the cool dark gas that suffused the universe being eaten away by expanding bubbles of plasma around the first stars!

White Hat: Want to feel old? Bacteria evolved closer to when dark energy started accelerating the universe’s expansion than to today!

[Caption below the panel]:

Cosmological Nostalgia Content