Timeline of the Universe · event

Electroweak Symmetry Breaking

10⁻¹² s · Very Early Universe

Temperature (K)
1000000000000000
When
10⁻¹² s
Redshift
—
Era
Very Early Universe
Seconds After Big Bang
1e-11

What Happened

The Higgs field settles into its non-zero value. The W and Z bosons acquire mass, the photon does not, and one force becomes two: the weak force and electromagnetism.

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.