era articles

What are the seven stages of the universe?

What are the seven stages of the universe?

What factor did space expand by during Cosmic Inflation?

What factor did space expand by during Cosmic Inflation?

What process followed Cosmic Inflation to initiate the Hot Big Bang era?

What process followed Cosmic Inflation to initiate the Hot Big Bang era?

What fundamental change occurred during the Electroweak Phase Transition around $10^{-12}$ seconds?

What fundamental change occurred during the Electroweak Phase Transition around $10^{-12}$ seconds?

What major structural formation defines the end of the quark epoch via the QCD Phase Transition?

What major structural formation defines the end of the quark epoch via the QCD Phase Transition?

Approximately how many matter particles remained for every pair of matter-antimatter particles that annihilated after Baryogenesis?

Approximately how many matter particles remained for every pair of matter-antimatter particles that annihilated after Baryogenesis?

What elements primarily constituted the universe following Big Bang Nucleosynthesis (BBN)?

What elements primarily constituted the universe following Big Bang Nucleosynthesis (BBN)?

Which event caused the universe to become transparent and released the photons detected today as the Cosmic Microwave Background (CMB)?

Which event caused the universe to become transparent and released the photons detected today as the Cosmic Microwave Background (CMB)?

What characterized the universe during the Dark Ages (Stage Six)?

What characterized the universe during the Dark Ages (Stage Six)?

What energetic radiation source initiated the Reionization phase, ending the Dark Ages?

What energetic radiation source initiated the Reionization phase, ending the Dark Ages?

When did the universe transition into the Dark Energy-Dominated Era, where expansion began to accelerate?

When did the universe transition into the Dark Energy-Dominated Era, where expansion began to accelerate?