Big Bang

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The Big Bang is the prevailing cosmological theory that the universe began as an extremely hot, dense state and has been expanding and evolving ever since.

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Surface form Occurrences
Big Bang theory 3

Statements (50)

Predicate Object
instanceOf cosmological theory
model of the universe
scientific theory
associatedWith Alexander Friedmann
Edwin Hubble
George Gamow
Georges Lemaître
basedOn FLRW cosmological models
surface form: Friedmann–Lemaître–Robertson–Walker metric

general relativity
characterizedAs extremely dense early state
extremely hot early state
coinedBy Fred Hoyle
contrastsWith steady-state theory
describes early universe
expansion of the universe
origin of the universe
explains Hubble expansion
cosmic background temperature
relative abundances of hydrogen and helium
extendedBy inflationary cosmology
Lambda-CDM model
surface form: ΛCDM model
field cosmology
hasOpenQuestions initial singularity problem
nature of dark energy
nature of dark matter
implies cosmic time has a beginning
space itself is expanding
universe has finite age
includesPhase baryogenesis
inflationary epoch
nucleosynthesis
recombination epoch
structure formation
initiallyUsedAs pejorative term
predicts cosmic microwave background
cosmological redshift-distance relation
evolving universe
primordial nucleosynthesis
requires cosmological principle
large-scale homogeneity
large-scale isotropy
supportedBy Lemaître–Hubble law
surface form: Hubble–Lemaître law

abundances of light elements
cosmic microwave background radiation
large-scale structure of the universe
termCoinedIn 1949
termCoinedVia BBC radio broadcast
timeScale about 13.8 billion years ago
topicOf observational cosmology
particle cosmology

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

this entity surface form: Big Bang theory
Hayden Planetarium hasTopic Big Bang
this entity surface form: Big Bang theory
this entity surface form: Big Bang theory
The Edge of Forever subject Big Bang