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1991 in astronomy

overview of astronomy-related events during the year of 1991
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1991 in astronomy

Summary

1991 in astronomy is an events in a specific year or time period[1].

Key Facts

  • 1991 in astronomy's instance of is recorded as events in a specific year or time period[2].
  • 1991 in astronomy's follows is recorded as 1990 in astronomy[3].
  • 1991 in astronomy's followed by is recorded as 1992 in astronomy[4].
  • 1991 in astronomy's Commons category is recorded as 1991 in astronomy[5].
  • 1991 in astronomy's point in time is recorded as +1991-00-00T00:00:00Z[6].
  • 1991 in astronomy's topic's main category is recorded as Category:1991 in outer space[7].
  • 1991 in astronomy's facet of is recorded as 1991[8].
  • 1991 in astronomy's facet of is recorded as astronomy[9].

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.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . 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). 1991 in astronomy. Retrieved May 3, 2026, from https://4ort.xyz/entity/1991-in-astronomy
MLA “1991 in astronomy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/1991-in-astronomy.
BibTeX @misc{4ortxyz_1991-in-astronomy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1991 in astronomy}}, year = {2026}, url = {https://4ort.xyz/entity/1991-in-astronomy}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1991 in astronomy — https://4ort.xyz/entity/1991-in-astronomy (retrieved 2026-05-03)

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