Steady State Theory

Disproved · 1948

Status: Disproved
Year: 1948

Summary

An eternal, unchanging universe that expands while new matter appears to keep the density constant. Elegant, serious, and finished off by the microwave background in 1965 — Hoyle never conceded.

Timeline

Photon Decoupling — the CMB

Equations

Hubble's Law First Friedmann Equation FLRW Metric

Proponent

Hermann Bondi Thomas Gold Fred Hoyle

Referenced by

equation

FLRW Metric First Friedmann Equation Hubble's Law

event

Photon Decoupling — the CMB

researcher

Fred Hoyle Hermann Bondi Thomas Gold

Open on the Theories shelf — the interactive card, the filters, and everything alongside it.

From the Theories database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.