The Heavier Elements In The Universe Were Formed By - Web all of the hydrogen and most of the helium in the universe emerged 13.8 billion years ago from the big bang. Web the universe's three lightest elements — hydrogen, helium and lithium — were created in the earliest moments of. Web light elements like hydrogen and helium formed during the big bang, and those up to iron are made by fusion in the. By far the most abundant.
Web light elements like hydrogen and helium formed during the big bang, and those up to iron are made by fusion in the. Web the universe's three lightest elements — hydrogen, helium and lithium — were created in the earliest moments of. By far the most abundant. Web all of the hydrogen and most of the helium in the universe emerged 13.8 billion years ago from the big bang.