Mercury

first planet from the Solar System and smallest among all, tellurian and with extreme temperatures
Place inner_planet_of_the_solar_system Q308
Mercury
NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington. Edited version of Image:Mercury in color - Prockter07.jpg by Papa Lima Whiskey. · Public Domain · Wikimedia
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Summary

Mercury is an inner planet of the Solar System[1]. Mercury draws 45,371 Wikipedia views per month (inner planet of the solar system category, ranking #1 of 3).[2]

Key Facts

  • Instance of: inferior planet[3]
  • Named after: Mercury[4], Hermes[5]
  • Location: inner Solar System[6]
  • Part of: inner Solar System[7]
  • Has use: colonization of Mercury[8]
  • Commons category: Mercury (planet)[9]
  • Parent astronomical body: Sun[10]
  • Child astronomical body: Mercury's moon[11]
  • Unicode character: ☿[12]
  • Has part(s): atmosphere of Mercury[13]
  • Highest point: Caloris Montes[14]
  • IPA transcription: mɛʁˈkuːɐ̯[15]
  • Topic's main category: Category:Mercury (planet)[16]
  • Commons gallery: Mercury (planet)[17]
  • Orbital eccentricity: 0.20563593[18]
  • Flattening: 0[19]
  • Apparent magnitude: 1.9[20]
  • Described by source: Otto's encyclopedia[21], Brockhaus and Efron Encyclopedic Dictionary[22], The Nuttall Encyclopædia[23], Small Brockhaus and Efron Encyclopedic Dictionary[24], Encyclopædia Britannica 11th edition[25], Great Soviet Encyclopedia (1926–1947)[26], Granat Encyclopedic Dictionary[27]
  • Topic has template: Template:Mercury (planet)[28], Template:GeoTemplate/mercury[29]
  • Stack Exchange tag: https://astronomy.stackexchange.com/tags/mercury[30]
  • Demonym: Mercurien[31]
  • Has characteristic: Mercury's magnetic field[32]
  • Different from: Merkury[33]
  • Orbital inclination: 7.00497902 degree[34]
  • Area: 74,800,000 km²[35]

Body

Cultural Significance

Things named for Mercury include Wednesday[36], a day of the week[37]; Mercury Islands[38], an island group[39], in New Zealand[40]; and Mercury Glacier[41], a glacier[42].

Why It Matters

Mercury has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[43] Mercury is known by 60 alternative names across languages and contexts.[44]

Entities named for Mercury include Wednesday[36], a day of the week[37]; Mercury Islands[38], an island group[39], in New Zealand[40]; and Mercury Glacier[41], a glacier[42].

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Retrieved . wikidata.org.
  3. [5] ↑ . A Greek–English Lexicon. 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] ↑ . Keplerian elements for approximate positions of the major planets. wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . NASA FACTS. nssdc.gsfc.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . Keplerian elements for approximate positions of the major planets. wikidata.org.
  33. [35] ↑ . nssdc.gsfc.nasa.gov. nssdc.gsfc.nasa.gov. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [36] ↑ . wikidata.org. → on this site
  2. [38] ↑ . wikidata.org. → on this site
  3. [41] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [37] ↑ . Wikidata. wikidata.org. → on this site
  2. [39] ↑ . Wikidata. wikidata.org. → on this site
  3. [40] ↑ . Wikidata. wikidata.org. → on this site
  4. [42] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [43] ↑ . Wikidata sitelinks. wikidata.org.
  3. [44] ↑ . 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). Mercury. Retrieved October 14, 2026, from https://4ort.xyz/entity/mercury
MLA “Mercury.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/mercury.
BibTeX @misc{4ortxyz_mercury_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Mercury}}, year = {2026}, url = {https://4ort.xyz/entity/mercury}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Mercury — https://4ort.xyz/entity/mercury (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. 10d ago · Putnik · 2026-10-05 view diff on Wikidata ↗
    Sitelink count → 274
    Wikipedia languages → ['ab', 'abstract', 'ady', 'af', 'als', 'am', 'an', 'ang', 'ann', 'anp', 'ar', 'a
    Visuotinė lietuvių enciklopedija id → merkurijus
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Visuotinė lietuvių enciklopedija id: merkurijus"
  2. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 4bgJaW
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  3. 16w ago · Charp238 · 2026-06-22 view diff on Wikidata ↗
    Femiwiki id → 18364
    "/* wbsetclaim-create:2||1 */ Femiwiki id: 18364"
  4. 21w ago · Trivialist · 2026-05-20 view diff on Wikidata ↗
    Harper's tag → mercury
    "/* wbsetclaim-create:1||1 */ Harper's tag: mercury, Matched to [[:toollabs:mix-n-match/#/entry/289948514|mercury (#289948514)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix'n'm"
  5. 21w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Local thumb → —
    "/* wbeditentity-update:0| */ mv to monolingual text names on YSO statements"
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