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apparent horizon

surface that is the boundary between light rays that are directed outwards and moving outwards, and those directed outward but moving inward
Thing general Q4780925
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apparent horizon

Summary

apparent horizon ranks in the top 2% of general entities by monthly Wikipedia readership (57 views/month).[1]

Key Facts

  • apparent horizon's subclass of is recorded as hypersurface[2].
  • apparent horizon's Freebase ID is recorded as /m/0gq7s4[3].
  • apparent horizon's spoken text audio is recorded as Wikipedia Audio - Apparent Horizon.wav[4].
  • apparent horizon's Microsoft Academic ID is recorded as 17777063[5].
  • apparent horizon's OpenAlex ID is recorded as C17777063[6].

Why It Matters

apparent horizon ranks in the top 2% of general entities by monthly Wikipedia readership (57 views/month).[1] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[7] It is known by 3 alternative names across languages and contexts.[8]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . 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). apparent horizon. Retrieved April 10, 2026, from https://4ort.xyz/entity/apparent-horizon
MLA “apparent horizon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/apparent-horizon.
BibTeX @misc{4ortxyz_apparent-horizon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{apparent horizon}}, year = {2026}, url = {https://4ort.xyz/entity/apparent-horizon}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): apparent horizon — https://4ort.xyz/entity/apparent-horizon (retrieved 2026-04-10)

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