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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
Class type of: hypersurface Q4780925

Facts

1 property
Subclass of
hypersurface[1]
🏷️ Also known as
en apparent horizon ar أفق ظاهري fi näennäishorisontti ja みかけの地平面 ja 見かけの地平面 pt horizonte aparente ru Кажущийся горизонт uk Видимий горизонт zh 相對視界 zh 視視界 zh 视视界
🔖 Identifiers · 4
OpenAlex ID
C17777063
Freebase ID
/m/0gq7s4
Microsoft Academic ID (discontinued)
17777063
World of Physics ID
ApparentHorizon

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🔗 Connections
Subclass of 1
hypersurface
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References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.

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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 November 10, 2026, from https://4ort.xyz/entity/apparent-horizon
MLA “apparent horizon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 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: 2026-11-10}}
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 2026-11-10)

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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. 15w ago · Shocksingularity · 2026-07-26 view diff on Wikidata ↗
    Subclass of → hypersurface
    World of Physics ID → ApparentHorizon
    "Created claim: World of Physics ID: ApparentHorizon"
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