Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description...

In the science of astronomy, cosmology is concerned with the study of the chronology of the universe. Physical cosmology is the study of the observable...

questions of classical physical cosmology, particularly those related to the first phases of the universe. Classical cosmology is based on Albert Einstein's...

Brane cosmology refers to several theories in particle physics and cosmology related to string theory, superstring theory and M-theory. The central idea...

inclusive than a strictly scientific cosmology (physical cosmology and quantum cosmology) in that religious cosmology is not limited to experiential observation...

anisotropic? (more unsolved problems in physics) In modern physical cosmology, the cosmological principle is the notion that the spatial distribution of...

astronomy" and even as the "father of cosmology" as a result of his works to explain the origin and makeup of the physical universe. He is regarded as the most...

In physical cosmology, fractal cosmology is a set of minority cosmological theories which state that the distribution of matter in the Universe, or the...

A non-standard cosmology is any physical cosmological model of the universe that was, or still is, proposed as an alternative to the then-current standard...

A black hole cosmology (also called Schwarzschild cosmology or black hole cosmological model) is a cosmological model in which the observable universe...

In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the very early universe...

extraterrestrial life, to arguments for a biophysical cosmology, a view of life being inherent to the physical cosmology of the universe. General relativity is the...

p. 187. Mukhanov, V. F. (2005), Physical Foundations of Cosmology, p. 58. Ryden, Barbara, "Introduction to Cosmology", 2006, eqn. 5.25, 6.41 Padmanabhan...

not limit the recession rates of cosmologically distant objects. Cosmic expansion is a key feature of Big Bang cosmology. It can be modeled mathematically...

Loop quantum cosmology (LQC) is a finite, symmetry-reduced model of loop quantum gravity (LQG) that predicts a "quantum bridge" between contracting and...

The measure problem in cosmology concerns how to compute the ratios of universes of different types within a multiverse. It typically arises in the context...

statistically significant. A 2016 study compared isotropic and anisotropic cosmological models against WMAP and Planck data and found no evidence for anisotropy...

major assumptions: the universality of physical laws and the cosmological principle. The universality of physical laws is one of the underlying principles...

In cosmology, the cosmological constant (usually denoted by the Greek capital letter lambda: Λ), alternatively called Einstein's cosmological constant...

In cosmology, decoupling is a period in the development of the universe when different types of particles fall out of thermal equilibrium with each other...

The Big Bounce hypothesis is a cosmological model for the origin of the known universe. It was originally suggested as a phase of the cyclic model or oscillatory...

A cyclic model (or oscillating model) is any of several cosmological models in which the universe follows infinite, or indefinite, self-sustaining cycles...

In cosmology, the steady-state model or steady state theory is an alternative to the Big Bang theory. In the steady-state model, the density of matter...

last two-plus millennia. Modern cosmological ideas follow the development of the scientific discipline of physical cosmology. For millennia, what today is...

This horizon is not really a physical size, but it is often used as useful length scale as most physical sizes in cosmology can be written in terms of those...

Conformal cyclic cosmology (CCC) is a cosmological model in the framework of general relativity and proposed by theoretical physicist Roger Penrose. In...

noteworthy contributions to cosmology (the study of the history and large-scale structure of the universe) and their cosmological achievements. Tom Abel (1970–)...

describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the earliest stages of the universe's...

The ekpyrotic universe (/ˌɛkpaɪˈrɒtɪk/) is a cosmological model of the early universe that explains the origin of the large-scale structure of the cosmos...

Distance measures are used in physical cosmology to give a natural notion of the distance between two objects or events in the universe. They are often...