Home › Entities › general › flatness problem

flatness problem

problem in cosmology, solved by cosmic inflation
Thing general Q2078326
Press Enter · cited answer in seconds

flatness problem

Summary

flatness problem ranks in the top 2% of general entities by monthly Wikipedia readership (330 views/month).[1]

Key Facts

  • flatness problem's subclass of is recorded as problem[2].
  • flatness problem's Freebase ID is recorded as /m/047lj4[3].
  • flatness problem's different from is recorded as flat universe[4].
  • flatness problem's defining formula is recorded as H^2 = \frac{8 \pi G}{3} \rho - \frac{kc^2}{a^2}[5].
  • flatness problem's Elhuyar ZTH ID is recorded as 135906[6].
  • flatness problem's World of Physics ID is recorded as DickeParadox[7].
  • flatness problem's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • flatness problem's Microsoft Academic ID is recorded as 13560167[9].
  • flatness problem's OpenAlex ID is recorded as C13560167[10].

Why It Matters

flatness problem ranks in the top 2% of general entities by monthly Wikipedia readership (330 views/month).[1] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[11] It is known by 5 alternative names across languages and contexts.[12]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. 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.
  9. [10] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.
  3. [12] ↑ . 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). flatness problem. Retrieved April 11, 2026, from https://4ort.xyz/entity/flatness-problem
MLA “flatness problem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/flatness-problem.
BibTeX @misc{4ortxyz_flatness-problem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{flatness problem}}, year = {2026}, url = {https://4ort.xyz/entity/flatness-problem}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): flatness problem — https://4ort.xyz/entity/flatness-problem (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/flatness-problem · Last refreshed: