particle horizon

the maximum distance from which light from particles could have traveled to the observer during the age of the universe
Thing cosmological_horizon Q2482717
Press Enter · cited answer in seconds

particle horizon

Summary

particle horizon is a cosmological horizon[1]. It draws 178 Wikipedia views per month (cosmological_horizon category, ranking #1 of 2).[2]

Key Facts

  • particle horizon's instance of is recorded as cosmological horizon[3].
  • particle horizon's subclass of is recorded as radius[4].
  • particle horizon's Freebase ID is recorded as /m/0119mj5c[5].
  • particle horizon's numeric value is recorded as {'unit': 'Q14916719', 'amount': '+14.4'}[6].
  • particle horizon's defining formula is recorded as r_{\mathrm{p}} = c a(t) \int_0^t \frac{\mathrm{d} t'}{a(t')}[7].
  • particle horizon's ISQ dimension is recorded as \mathsf{L}[8].
  • particle horizon's maintained by WikiProject is recorded as WikiProject Mathematics[9].
  • particle horizon's Microsoft Academic ID is recorded as 44752778[10].
  • particle horizon's in defining formula is recorded as a[11].
  • particle horizon's in defining formula is recorded as c[12].
  • particle horizon's in defining formula is recorded as r_{\mathrm{p}}[13].
  • particle horizon's quantity symbol is recorded as r_{\mathrm{p}}[14].
  • particle horizon's OpenAlex ID is recorded as C44752778[15].
  • particle horizon's Great Russian Encyclopedia portal ID is recorded as gorizont-chastitsy-28293c[16].

Why It Matters

particle horizon draws 178 Wikipedia views per month (cosmological_horizon category, ranking #1 of 2).[2] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[17] It is known by 9 alternative names across languages and contexts.[18]

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.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.
  3. [18] . 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). particle horizon. Retrieved May 3, 2026, from https://4ort.xyz/entity/particle-horizon
MLA “particle horizon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/particle-horizon.
BibTeX @misc{4ortxyz_particle-horizon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{particle horizon}}, year = {2026}, url = {https://4ort.xyz/entity/particle-horizon}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): particle horizon — https://4ort.xyz/entity/particle-horizon (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/particle-horizon · Last refreshed: