Home › Entities › events_in_a_specific_year_or_time_period › 1999 in astronomy

1999 in astronomy

overview of astronomy-related events during the year of 1999
VisualArtwork events_in_a_specific_year_or_time_period Q17052017
Press Enter · cited answer in seconds

1999 in astronomy

Summary

1999 in astronomy is an events in a specific year or time period[1]. It is known by 6 alternative names across languages and contexts.[2]

Key Facts

  • 1999 in astronomy's instance of is recorded as events in a specific year or time period[3].
  • 1999 in astronomy followed 1998 in astronomy[4].
  • 1999 in astronomy was followed by 2000 in astronomy[5].
  • 1999 in astronomy's Commons category is recorded as 1999 in astronomy[6].
  • 1999 in astronomy took place on 1999[7].
  • 1999 in astronomy's topic's main category is recorded as Category:1999 in outer space[8].
  • 1999 in astronomy's facet of is recorded as 1999[9].
  • 1999 in astronomy's facet of is recorded as astronomy[10].

Body

Adaptations and Inspiration

1999 in astronomy followed 1998 in astronomy[4]. It was followed by 2000 in astronomy[5].

Why It Matters

1999 in astronomy is known by 6 alternative names across languages and contexts.[2]

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.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . 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). 1999 in astronomy. Retrieved October 10, 2026, from https://4ort.xyz/entity/1999-in-astronomy
MLA “1999 in astronomy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/1999-in-astronomy.
BibTeX @misc{4ortxyz_1999-in-astronomy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 in astronomy}}, year = {2026}, url = {https://4ort.xyz/entity/1999-in-astronomy}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 in astronomy — https://4ort.xyz/entity/1999-in-astronomy (retrieved 2026-10-10)

Canonical URL: https://4ort.xyz/entity/1999-in-astronomy · 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. 10d ago · Don-vip · 2026-09-30 view diff on Wikidata ↗
    Point in time → +1999-00-00T00:00:00Z
    Sitelink count → 2
    Followed by → 2000 in astronomy
    Topic's main category → Category:1999 in outer space
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P18]]: ESO 1999 PR retrospective (eso0001a).jpg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.