Hollow Earth

historical concept proposing that the planet Earth is entirely hollow or contains a substantial interior space
Thing general Q649143
Hollow Earth
C. Durand Chapman · Public Domain · Wikimedia
Press Enter · cited answer in seconds

Hollow Earth

Summary

Hollow Earth ranks in the top 2% of general entities by monthly Wikipedia readership (567 views/month).[1]

Key Facts

  • Hollow Earth's image is recorded as Map of the Interior World (1892, B&W version).png[2].
  • Hollow Earth's image is recorded as Hohlwelt Abbildung1932.jpg[3].
  • Hollow Earth's image is recorded as Concave hollow Earths.svg[4].
  • Hollow Earth's subclass of is recorded as superseded scientific theory[5].
  • Hollow Earth's Commons category is recorded as Hollow-earth theories[6].
  • Hollow Earth's Freebase ID is recorded as /m/03m61[7].
  • Hollow Earth's topic's main category is recorded as Category:Hollow Earth[8].
  • Hollow Earth's BBC Things ID is recorded as a9128e0f-9c5c-415c-b1f8-d50004f422ba[9].
  • Hollow Earth's Encyclopedia of Science Fiction ID is recorded as hollow_earth[10].
  • Hollow Earth's Fandom article ID is recorded as novum-terram:Hollow_Earth[11].
  • Hollow Earth's Fandom article ID is recorded as godzilla:Hollow_Earth[12].
  • Hollow Earth's Fandom article ID is recorded as ru.godzilla:Полая_Земля[13].
  • Hollow Earth's TV Tropes ID is recorded as Main/HollowWorld[14].
  • Hollow Earth's RationalWiki ID is recorded as Hollow_Earth[15].
  • Hollow Earth's KBpedia ID is recorded as HollowEarthTheory[16].
  • Hollow Earth's IMDb keyword is recorded as hollow-earth[17].

Why It Matters

Hollow Earth ranks in the top 2% of general entities by monthly Wikipedia readership (567 views/month).[1] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[18] It is known by 32 alternative names across languages and contexts.[19]

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] . wikidata.org.
  6. [7] . Freebase Data Dumps. wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . BBC Things. wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . KBpedia. Retrieved . wikidata.org.
  16. [17] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] . Wikidata sitelinks. wikidata.org.
  3. [19] . 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). Hollow Earth. Retrieved April 10, 2026, from https://4ort.xyz/entity/hollow-earth
MLA “Hollow Earth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/hollow-earth.
BibTeX @misc{4ortxyz_hollow-earth_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hollow Earth}}, year = {2026}, url = {https://4ort.xyz/entity/hollow-earth}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hollow Earth — https://4ort.xyz/entity/hollow-earth (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/hollow-earth · Last refreshed: