What was the primary composition of the universe during the Cosmic Dark Ages?
Answer
Neutral hydrogen and helium gas, interspersed with dark matter
During the Dark Ages, the universe was composed almost entirely of neutral hydrogen and helium gas, with the invisible scaffolding of dark matter present throughout.
#Videos
What Did The Early Universe Look Like Before Stars Existed?
Related Questions
What two elements were primarily created during the period known as Big Bang Nucleosynthesis?What major epoch immediately followed the moment the universe became transparent and released the CMB radiation?What was the primary composition of the universe during the Cosmic Dark Ages?What characteristic of modern stars is lacking in the material present during the Dark Ages?What event marked the end of the Cosmic Dark Ages?What are the stars born during the Cosmic Dawn known as?Why did the first stars need to be so massive to form?What type of energetic explosion often resulted from the death of Population III stars?Which specific elements did the Population III stars first inject into the intergalactic medium upon their explosion?In theoretical cosmology, what concept suggests the Big Bang was merely a local event within a larger, eternally inflating structure?