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Earth

planet Earth as depicted in the Half-Life universe
Intangible earth_in_science_fiction Q106560614
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Earth

Summary

Earth is an Earth in science fiction[1].

Key Facts

  • Earth's instance of is recorded as Earth in science fiction[2].
  • Earth's from narrative universe is recorded as Half-Life / Portal universe[3].
  • Earth's present in work is recorded as Half-Life[4].
  • Earth's first appearance is recorded as Half-Life[5].

Body

Definition and Type

Earth's instance of is recorded as Earth in science fiction[2].

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.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Earth. Retrieved May 3, 2026, from https://4ort.xyz/entity/earth-q106560614
MLA “Earth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/earth-q106560614.
BibTeX @misc{4ortxyz_earth-q106560614_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Earth}}, year = {2026}, url = {https://4ort.xyz/entity/earth-q106560614}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Earth — https://4ort.xyz/entity/earth-q106560614 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/earth-q106560614 · Last refreshed:

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. 6w ago · J 1982 · 2026-07-07 view diff on Wikidata ↗
    Fictional or mythical analog of → Q2
    "/* wbsetclaim-create:2||1 */ [[Property:P1074]]: [[Q2]]"
  2. 7w ago · J 1982 · 2026-07-05 view diff on Wikidata ↗
    Imported from → —
    First appearance → Half-Life
    From narrative universe → Half-Life / Portal universe
    Present in work → Half-Life
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P6262]]: es.halflife:Tierra"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.