The child macrocosm, only moments old, was a seething ocean of energy and patches — blazing hot, unimaginably thick, and fleetly evolving. To understand how this chaotic furnace ultimately cooled and organized itself into worlds, stars, and globes, we must dive deeper into two abecedarian phases cosmic affectation, the macrocosm’s first burst of expansion, and Big Bang nucleosynthesis, the conformation of the first rudiments.