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Physical cosmology

Accelerating expansion of the universe
Cosmological phenomenon
Age of the universe
Time elapsed since the Big Bang
Alpher–Bethe–Gamow paper
Scientific theory
Anthropic principle
Hypothesis about sapient life and the universe
Baryogenesis
Hypothesized processes that could produce baryonic asymmetry, favoring matter (baryons) over antimatter (antibaryons)
Baryon acoustic oscillations
Fluctuations in the density of the visible baryonic matter of the universe, caused by acoustic density waves in the primordial plasma of the early universe
Big Bang
Cosmological model
Big Bang nucleosynthesis
The earliest production of nuclei other than those of the lightest isotope of hydrogen during the early phases of the Universe
Big Crunch
Hypothetical scenario for the ultimate fate of the universe
Big Rip
Cosmological model based on an exponentially increasing rate of expansion
Chronology of the universe
History and future of the universe
Comoving and proper distances
Measurement of distance
Cosmic inflation
Theory of rapid universe expansion
Cosmic microwave background
Trace radiation from the early universe
Cosmological constant
Value representing energy density of space
Cosmological horizon
Horizon appearing on a cosmological scale
Cyclic model
Cosmological model involving repetitions of Big Bangs followed by Big Crunches
Dark energy
Unknown property in cosmology that causes the expansion of the universe to accelerate.
Dark matter
Hypothetical invisible cosmic material
Discovery of cosmic microwave background radiation
Aspect of the history of modern physical cosmology
Electroweak epoch
Period in the evolution of the early universe in which electroweak symmetry is not yet broken
Expansion of the universe
Increase in distance between parts of the universe over time
Flatness problem
Cosmological fine-tuning problem
Grand unification epoch
Theorized events that take place immediately after the Big Bang and validate some ideas around baryogenesis
Hadron era
Period in the evolution of the early universe
Heat Death of the Universe
Topics referred to by the same term
Horizon problem
Cosmological fine-tuning problem
Hubble volume
Region of the observable universe
Hubble's law
Observation in physical cosmology
Lambda-CDM model
Model of big-bang cosmology
Lepton epoch
Period in the evolution of the early universe
List of the most distant astronomical objects
Missing baryon problem
Discrepency between observed and predicted amounts of ordinary matter
Multiverse
Hypothetical group of multiple universes
Observable universe
All of space observable from the Earth at the present
Observational cosmology
Cosmology
Particle horizon
The maximum distance from which light from particles could have traveled to the observer during the age of the universe
Photon epoch
Physical cosmology
Branch of astronomy
Primordial fluctuations
Earliest theoretical cosmological structures
Quark epoch
The period in the evolution of the early universe
Quintessence (physics)
Hypothetical fundamental force
Recombination (cosmology)
Epoch at which charged electrons and protons first became bound to form electrically neutral hydrogen atoms
Redshift
Eventual increase of wavelength in radiation during travel
Redshift
Decrease in wavelength of electromagnetic radiation
Reionization
Cosmological process in the early universe
Scale factor (cosmology)
Parameter which characterizes the expansion of the universe
Shape of the universe
The local and global geometry of the universe
Steady-state model
Model of the evolution of the universe
Structure formation
Formation of galaxies, galaxy clusters and larger structures from small early density fluctuations
Timeline of the universe
A timeline of universe events since the Big Bang 13.8 billion years ago
Ultimate fate of the universe
Range of cosmological hypotheses and scenarios describing the eventual fate of the universe as we know it
Universe (gamer)
American professional Dota 2 player