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Mount Wilson Observatory

astronomical observatory in Los Angeles County, California
Organization astronomical_observatory Q466863
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Mount Wilson Observatory

Summary

Mount Wilson Observatory is an astronomical observatory[1]. It ranks in the top 3% of astronomical_observatory entities by monthly Wikipedia readership (498 views/month).[2]

Key Facts

  • Mount Wilson Observatory is located in Los Angeles County[3].
  • Mount Wilson Observatory is in the country of United States[4].
  • Mount Wilson Observatory's instance of is recorded as astronomical observatory[5].
  • Mount Wilson Observatory is operated by Carnegie Institution for Science[6].
  • Mount Wilson Observatory took place at Mount Wilson[7].
  • Mount Wilson Observatory's Commons category is recorded as Mount Wilson Observatory[8].
  • Mount Wilson Observatory comprises CHARA array[9].
  • Mount Wilson Observatory comprises Infrared Spatial Interferometer[10].
  • Mount Wilson Observatory comprises Hooker telescope[11].
  • Mount Wilson Observatory comprises 60-inch telescope[12].
  • Mount Wilson Observatory comprises 150-foot solar tower[13].
  • 1904 marks the founding of Mount Wilson Observatory[14].
  • Mount Wilson Observatory's coordinate location is recorded as {'lat': 34.225027777778, 'lon': -118.05719444444}[15].
  • Mount Wilson Observatory's official website is recorded as https://www.mtwilson.edu[16].
  • Mount Wilson Observatory's topic's main category is recorded as Category:Mount Wilson Observatory[17].
  • Mount Wilson Observatory's described by source is recorded as Armenian Soviet Encyclopedia, vol. 7[18].
  • Mount Wilson Observatory sits at an elevation of {'unit': 'Q11573', 'amount': '+1742'}[19].
  • Mount Wilson Observatory's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[20].

Body

Founding

1904 marks the founding of Mount Wilson Observatory[14].

Operations

Mount Wilson Observatory is operated by Carnegie Institution for Science[6].

Why It Matters

Mount Wilson Observatory ranks in the top 3% of astronomical_observatory entities by monthly Wikipedia readership (498 views/month).[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[21] It is known by 31 alternative names across languages and contexts.[22]

Related Entities

Edwin Hubble Eugène Viollet-le-Duc George Ellery Hale Halton Arp Harlow Shapley James Hopwood Jeans Seth Barnes Nicholson United States Walter Baade Walter Sydney Adams

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . Astronomical Almanac for the Year 2017. wikidata.org.
  18. [20] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] ↑ . Wikidata sitelinks. wikidata.org.
  3. [22] ↑ . 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). Mount Wilson Observatory. Retrieved April 10, 2026, from https://4ort.xyz/entity/mount-wilson-observatory
MLA “Mount Wilson Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/mount-wilson-observatory.
BibTeX @misc{4ortxyz_mount-wilson-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Mount Wilson Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/mount-wilson-observatory}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Mount Wilson Observatory — https://4ort.xyz/entity/mount-wilson-observatory (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/mount-wilson-observatory · 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. 1d ago · Nashona · 2026-06-04 view diff on Wikidata ↗
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    Coordinate location → {'lat': 34.225027777778, 'lon': -118.05719444444}
    Country → United States
    Official website → https://www.mtwilson.edu
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P10018]]: 153923, Matched to [[:toollabs:mix-n-match/#/entry/175672158|Mount Wilson Observatory (#175672158)]] in [[:toollabs:mix-n-match/#/catalog/4824|George "
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.