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cosmological constant

constant representing stress-energy density of the vacuum in Einstein's equation, which accounts for the rate of expansion of the universe
Thing physical_constant Q59151
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Summary

cosmological constant is a physical constant[1]. It draws 4,185 Wikipedia views per month (physical constant category, ranking #9 of 43).[2]

Key Facts

  • Discoverer or inventor: Albert Einstein[3]
  • Part of: cosmological model[4]
  • Numeric value: 0.00000000000000000000000000000000000000000000000000011056 reciprocal square metre[5]
  • Stack Exchange tag: https://physics.stackexchange.com/tags/cosmological-constant[6]

Why It Matters

cosmological constant has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[7] It is known by 45 alternative names across languages and contexts.[8]

Related Entities

Albert Einstein

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [7] ↑ . Wikidata sitelinks. wikidata.org.
  3. [8] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). cosmological constant. Retrieved October 14, 2026, from https://4ort.xyz/entity/cosmological-constant
MLA “cosmological constant.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/cosmological-constant.
BibTeX @misc{4ortxyz_cosmological-constant_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cosmological constant}}, year = {2026}, url = {https://4ort.xyz/entity/cosmological-constant}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cosmological constant — https://4ort.xyz/entity/cosmological-constant (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/cosmological-constant · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 3pmHXQ
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 17w ago · MariuszRokin · 2026-06-12 view diff on Wikidata ↗
    Aliases → —
    Svkkl authority id → 0365649-kosmologicka-konstanta
    Part of → —
    Part of → cosmological model
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Svkkl authority id: 0365649-kosmologicka-konstanta, [[:toollabs:quickstatements/#/batch/259599|batch #259599]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.