Atacama Large Millimeter Array

66 radio telescopes in the Atacama Desert of northern Chile
Place radio_interferometer Q725364
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Summary

Atacama Large Millimeter Array is a radio interferometer[1]. It ranks in the top 8% of radio interferometer entities by monthly Wikipedia readership (7,067 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Antofagasta Region[3]
  • Country: Chile[4]
  • Operator: European Southern Observatory[5], National Science Foundation[6], National Institutes of Natural Sciences, Japan[7]
  • Part of: Llano de Chajnantor Observatory[8], Event Horizon Telescope[9]
  • Commons category: Atacama Large Millimeter Array[10]
  • Has part(s): radio telescope[11]
  • Located in/on physical feature: Atacama Desert[12]
  • Official website: https://www.almaobservatory.org/[13], https://public.nrao.edu/telescopes/alma/[14], https://www.eso.org/public/teles-instr/alma/[15], http://alma.mtk.nao.ac.jp/e/[16]
  • Date of official opening: October 3, 2011[17], March 13, 2013[18]
  • Native label: Atacama Large Millimeter Array[19]
  • Elevation above sea level: 5058.7 m[20]
  • Capital cost: 1,400,000,000 US dollars[21]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[22]
  • Social media followers: 36,572[23], 42,346[24], 52,457[25]

Why It Matters

Atacama Large Millimeter Array has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[26] It is known by 48 alternative names across languages and contexts.[27]

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [3] ↑ . almaobservatory.org. almaobservatory.org. Provenance: wikidata.org.
  3. [5] ↑ . almaobservatory.org. almaobservatory.org. Provenance: wikidata.org.
  4. [6] ↑ . almaobservatory.org. almaobservatory.org. Provenance: wikidata.org.
  5. [7] ↑ . almaobservatory.org. almaobservatory.org. Provenance: 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] ↑ . eso.org. eso.org. Provenance: wikidata.org.
  16. [18] ↑ . emol.com. emol.com. Provenance: wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . almaobservatory.org. almaobservatory.org. Provenance: wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] ↑ . Wikidata sitelinks. wikidata.org.
  3. [27] ↑ . 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). Atacama Large Millimeter Array. Retrieved October 14, 2026, from https://4ort.xyz/entity/atacama-large-millimeter-array
MLA “Atacama Large Millimeter Array.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/atacama-large-millimeter-array.
BibTeX @misc{4ortxyz_atacama-large-millimeter-array_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Atacama Large Millimeter Array}}, year = {2026}, url = {https://4ort.xyz/entity/atacama-large-millimeter-array}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Atacama Large Millimeter Array — https://4ort.xyz/entity/atacama-large-millimeter-array (retrieved 2026-10-14)

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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. 21w ago · Jarkn · 2026-05-14 view diff on Wikidata ↗
    Country → Chile
    Part of → Llano de Chajnantor Observatory, Event Horizon Telescope
    Capital cost → {'unit': 'Q4917', 'amount': '+1400000000'}
    Instance of → —
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Described at url: https://www.placemania.sk/svetova-zaujimavost/velka-milimetrova-sustava-atacama-alma/, Removing PlaceMania.sk P973 link added by me after COI/spam con"
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