Big Bang

Also known as BigBang, Big-Bang, beginning of time, Big Bang theory

hypothetical begin of the Universe through expansion out of an infinitely small and infinitely dense state

AI overview

The Big Bang is the scientific theory that the universe began as an infinitely small and infinitely dense point and has been expanding ever since. It matters because it's our best current understanding of how the universe originated and continues to evolve.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Instance of: scientific theory
Subclass of: Big Bounce
Image: CMB Timeline75 (Arabic version).jpg

Show 14 more facts

has effect: universe
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
Commons category: Big Bang
topic's main category: Category:Big Bang
discoverer or inventor: Q12998
time of discovery or invention: 1931-00-00
named by: Fred Hoyle
studied by: cosmology
different from: Big Bang Theory
Stack Exchange tag: physics.stackexchange.com/tags/big-bang
topic has template: Template:Big Bang timeline
facet of: gravitational singularity
point in time: 1378700000
place of publication: Brussels

Sources (4)

via Wikidata · CC0

~40 min read

Encyclopedic overview

Timeline of the expansion of the universe, where space is represented schematically at each time by circular sections. On the left, the dramatic expansion of inflation; at the center, the expansion accelerates (artist's concept; neither time nor size are to scale).

Expansion · Future

Excerpted from Wikipedia’s “Big Bang” article, available under the CC BY-SA 4.0 licence.