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photon sphere

spherical area or region of space where gravity is strong enough that massless particles are forced to travel in orbits
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photon sphere

Summary

photon sphere is a region of space[1]. It draws 223 Wikipedia views per month (region_of_space category, ranking #2 of 3).[2]

Key Facts

  • photon sphere's instance of is recorded as region of space[3].
  • photon is named after photon sphere[4].
  • photon sphere's Freebase ID is recorded as /m/08pjfg[5].
  • photon sphere's defining formula is recorded as r=\frac{3GM}{c^2}=\frac32r_\mathrm{S}[6].
  • photon sphere's Unified Astronomy Thesaurus ID is recorded as 1236[7].
  • photon sphere's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • photon sphere's Microsoft Academic ID is recorded as 175757954[9].
  • photon sphere's OpenAlex ID is recorded as C175757954[10].

Why It Matters

photon sphere draws 223 Wikipedia views per month (region_of_space category, ranking #2 of 3).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[11] It is known by 3 alternative names across languages and contexts.[12]

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] ↑ . Freebase Data Dumps. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.
  3. [12] ↑ . 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). photon sphere. Retrieved May 3, 2026, from https://4ort.xyz/entity/photon-sphere
MLA “photon sphere.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/photon-sphere.
BibTeX @misc{4ortxyz_photon-sphere_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{photon sphere}}, year = {2026}, url = {https://4ort.xyz/entity/photon-sphere}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): photon sphere — https://4ort.xyz/entity/photon-sphere (retrieved 2026-05-03)

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