Over the first 3 minutes on the universe, the light features were born in the course of a system referred to as Massive Bang nucleosynthesis. Temperatures cooled from one hundred nonillion (1032) Kelvin to one billion (109) Kelvin, and protons and neutrons collided to make deuterium, an isotope of hydrogen. https://www.lookah.com/bongs-and-water-pipes/big-bongs/