Big Bang

E59308

cosmological theory model of the universe scientific theory

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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All labels observed (2)

Label	Occurrences
Big Bang canonical	20
Big Bang theory	20

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 (40)

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

The Edge of Forever → subject → Big Bang ⓘ

Timothy Ferris → hasWrittenAbout → Big Bang ⓘ

Hayden Planetarium → hasTopic → Big Bang ⓘ

Astrophysics for People in a Hurry → topic → Big Bang ⓘ

Origins: Fourteen Billion Years of Cosmic Evolution → mainSubject → Big Bang ⓘ

A Brief History of Time → subject → Big Bang ⓘ