Flachheitsproblem

de

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Flachheitsproblem

Quality:

Flatness problem - problem in cosmology, solved by cosmic inflation. Article “Flachheitsproblem” in German Wikipedia has 18.7 points for quality (as of July 1, 2025). The article contains 7 references and 2 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (German) language version.

In June 2025 the article “Flachheitsproblem” was edited by 2 authors in German Wikipedia and written by 4 authors in all languages.

Since the creation of article “Flachheitsproblem”, its content was written by 75 registered users of German Wikipedia and edited by 243 registered Wikipedia users in all languages.

The article is cited 6 times in German Wikipedia and cited 199 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #4508 in September 2008
  • Global: #36729 in March 2005

The highest popularity rank from 2008:

  • Local (German): #188949 in January 2022
  • Global: #123468 in September 2008

There are 14 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Flatness problem
59.5416
2Portuguese (pt)
Problema da planicidade
47.2816
3Estonian (et)
Tasasuse probleem
45.5308
4Korean (ko)
편평도 문제
41.9039
5Spanish (es)
Problema de planitud
39.8294
6Serbian (sr)
Problem ravnosti
22.6983
7German (de)
Flachheitsproblem
18.6874
8Arabic (ar)
مسألة التسطيح
15.4971
9Thai (th)
ปัญหาความแบนของเอกภพ
12.0423
10Persian (fa)
مسئله تخت‌بودن
11.5021
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Flachheitsproblem" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Flatness problem
475 696
2Japanese (ja)
平坦性問題
106 253
3French (fr)
Problème de la platitude
55 818
4Polish (pl)
Problem płaskości
43 382
5German (de)
Flachheitsproblem
24 189
6Spanish (es)
Problema de planitud
17 027
7Persian (fa)
مسئله تخت‌بودن
12 195
8Thai (th)
ปัญหาความแบนของเอกภพ
7 632
9Portuguese (pt)
Problema da planicidade
3 524
10Arabic (ar)
مسألة التسطيح
2 817
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Flachheitsproblem" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Flatness problem
3 600
2German (de)
Flachheitsproblem
314
3Japanese (ja)
平坦性問題
298
4Russian (ru)
Проблема плоскостности
276
5French (fr)
Problème de la platitude
162
6Korean (ko)
편평도 문제
93
7Spanish (es)
Problema de planitud
91
8Polish (pl)
Problem płaskości
68
9Portuguese (pt)
Problema da planicidade
34
10Serbian (sr)
Problem ravnosti
25
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Flachheitsproblem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Flatness problem
94
2German (de)
Flachheitsproblem
75
3French (fr)
Problème de la platitude
24
4Polish (pl)
Problem płaskości
12
5Spanish (es)
Problema de planitud
9
6Japanese (ja)
平坦性問題
8
7Portuguese (pt)
Problema da planicidade
6
8Estonian (et)
Tasasuse probleem
5
9Arabic (ar)
مسألة التسطيح
2
10Persian (fa)
مسئله تخت‌بودن
2
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Flachheitsproblem" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Flachheitsproblem
2
2English (en)
Flatness problem
2
3Arabic (ar)
مسألة التسطيح
0
4Spanish (es)
Problema de planitud
0
5Estonian (et)
Tasasuse probleem
0
6Persian (fa)
مسئله تخت‌بودن
0
7French (fr)
Problème de la platitude
0
8Japanese (ja)
平坦性問題
0
9Korean (ko)
편평도 문제
0
10Polish (pl)
Problem płaskości
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Flachheitsproblem" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
Problème de la platitude
91
2English (en)
Flatness problem
38
3Japanese (ja)
平坦性問題
12
4Korean (ko)
편평도 문제
10
5Persian (fa)
مسئله تخت‌بودن
9
6Serbian (sr)
Problem ravnosti
8
7German (de)
Flachheitsproblem
6
8Spanish (es)
Problema de planitud
5
9Polish (pl)
Problem płaskości
5
10Arabic (ar)
مسألة التسطيح
4
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
مسألة التسطيح
deGerman
Flachheitsproblem
enEnglish
Flatness problem
esSpanish
Problema de planitud
etEstonian
Tasasuse probleem
faPersian
مسئله تخت‌بودن
frFrench
Problème de la platitude
jaJapanese
平坦性問題
koKorean
편평도 문제
plPolish
Problem płaskości
ptPortuguese
Problema da planicidade
ruRussian
Проблема плоскостности
srSerbian
Problem ravnosti
thThai
ปัญหาความแบนของเอกภพ

Popularity rank trends

Best Rank German:
#188949
01.2022
Global:
#123468
09.2008

AI rank trends

Best Rank German:
#4508
09.2008
Global:
#36729
03.2005

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Flatness problem from Wikipedia articles about Big Bang, Inflation, Horizon problem, Universe and Shape of the universe. Whereas reading the article about Flatness problem people most often go to Wikipedia articles on Inflation, Horizon problem, Fine-tuned universe, Friedmann equations and Magnetic monopole.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In German Wikipedia the most popular articles on that day were: Whitney Houston, Fall Gil Ofarim, Gil Ofarim, Handball-Europameisterschaft der Männer 2026, Der neue Freund, Tova Friedman, Sven Schulze (Politiker, 1979), Liste der größten Auslegerbrücken, Bobbi Kristina Brown, Patricia Aulitzky.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information