Concept
Steady State Theory
An old cosmology of an unchanging universe.
An obsolete model in which the universe has no beginning or end, with matter continuously created to maintain constant density. Disproved by the CMB.
Overview
An obsolete model in which the universe has no beginning or end, with matter continuously created to maintain constant density. Disproved by the CMB.
See also
Dark Energy
The mysterious force accelerating the universe.
Gravity
The force that shapes the universe.
Redshift & Hubble's Law
The fingerprint of an expanding universe.
Baryon Acoustic Oscillations
A standard ruler frozen into the early universe.
Reionization Epoch
When the first stars and galaxies relit the universe.
Cosmic Dark Ages
The long pre-starlight era of the universe.