How was the vast majority of the hydrogen in the universe formed?
A) in nuclear reactions in the cores of stars
B) in supernovae (exploding stars)
C) in the dark clouds of dust and gas
D) in the Big Bang, at the very beginning of the universe

Question

Quizplus · Accepted Answer

The vast majority of the hydrogen in the universe was formed in the Big Bang, at the very beginning of the universe. This event produced the simplest and most abundant element, hydrogen, along with helium and trace amounts of lithium.

How Was the Vast Majority of the Hydrogen in the Universe