Timeline of the Universe · event

Cosmic Noon

≈ 3.5 billion years · Structure Formation

Temperature (K)
8.2
When
≈ 3.5 billion years
Redshift
z ≈ 2
Era
Structure Formation
Seconds After Big Bang
110449255000000000

What Happened

Star formation peaks: the universe builds stars about ten times faster than it does now. Most stars that have ever existed were born around this time.

Researchers

Equations

Theories

Referenced by

equation
researcher
theory

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From the Cosmic Timeline database in Notion, last edited 2026-08-21. This page is the row, rendered by the build; nothing on it is written by hand.