Wiki Directory

Baryon Acoustic Oscillations

In cosmology, baryon acoustic oscillations (BAO) are fluctuations in the density of the visible baryonic matter of the…

Cosmic Inflation

In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansio…

Cosmic Microwave Background

The cosmic microwave background, or relic radiation, is microwave radiation that fills all space in the observable univ…

Cosmic Web

The large-scale structure of the universe is the term in cosmology for the character of matter distribution at the scal…

Dark Energy

In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on its largest…

Dark Matter

In astronomy and cosmology, dark matter is an invisible and hypothetical form of matter that does not interact with ele…

Gravitational Lensing

A gravitational lens is matter, such as a cluster of galaxies or a point particle, that bends light from a distant sour…

Hubble Constant

Hubble's law, officially the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving awa…

Reionization

In the fields of Big Bang theory and cosmology, reionization is the process that caused electrically neutral atoms in t…

Spacetime

In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of…

Tidal Forces

The tidal force or tide-generating force is the difference in gravitational attraction between different points in a gr…

Wormholes

A wormhole is a hypothetical structure that connects disparate points in spacetime.