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Kármán line

popular defined boundary of outer space
Place geographical_boundary Q275565
Kármán line
NASA Earth Observatory · Public Domain · Wikimedia
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Summary

Kármán line is a geographical boundary[1]. It draws 8,604 Wikipedia views per month (geographical boundary category, ranking #1 of 5).[2]

Key Facts

  • Instance of: rule[3]
  • Named after: Theodore von Kármán[4]
  • Location: thermosphere[5]
  • Elevation above sea level: 100 km[6]

Why It Matters

Kármán line has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[7] It is known by 53 alternative names across languages and contexts.[8]

Related Entities

Theodore von Kármán

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] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . 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). Kármán line. Retrieved October 14, 2026, from https://4ort.xyz/entity/k-rm-n-line
MLA “Kármán line.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/k-rm-n-line.
BibTeX @misc{4ortxyz_k-rm-n-line_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kármán line}}, year = {2026}, url = {https://4ort.xyz/entity/k-rm-n-line}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kármán line — https://4ort.xyz/entity/k-rm-n-line (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/k-rm-n-line · 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. 9d ago · Ksn.kenny · 2026-10-06 view diff on Wikidata ↗
    Sitelink count → 61
    Elevation above sea level → {'unit': 'Q828224', 'amount': '+100'}
    Encyclopædia britannica online id → science/Karman-line
    Instance of → geographical boundary, rule
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Encyclopædia britannica online id: science/Karman-line"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.