Rigidly rotating disk paradox

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Rigidly rotating disk paradox

Quality:

Ehrenfest paradox - paradox involving the impossibility of a rotating rigid disk in special relativity. Article “Rigidly rotating disk paradox” in Simple English Wikipedia has 13.5 points for quality (as of July 1, 2025). The article contains 0 references and 5 sections.

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

Since the creation of article “Rigidly rotating disk paradox”, its content was written by 7 registered users of Simple English Wikipedia and edited by 300 registered Wikipedia users in all languages.

The article is cited 2 times in Simple English Wikipedia and cited 352 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Simple English): #1698 in October 2015
  • Global: #47927 in October 2009

The highest popularity rank from 2008:

  • Local (Simple English): #1983 in May 2019
  • Global: #60846 in September 2013

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)
Ehrenfest paradox
45.9859
2German (de)
Ehrenfestsches Paradoxon
39.4557
3Spanish (es)
Paradoja de Ehrenfest
32.1348
4Russian (ru)
Парадокс Эренфеста
23.7957
5Ukrainian (uk)
Парадокс Еренфеста
22.8489
6French (fr)
Paradoxe d'Ehrenfest
21.4803
7Hungarian (hu)
Ehrenfest-paradoxon
20.5651
8Armenian (hy)
Էրենֆեստի պարադոքս
15.3741
9Turkish (tr)
Ehrenfest paradoksu
14.5861
10Slovenian (sl)
Ehrenfestov paradoks
14.4899
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 "Rigidly rotating disk paradox" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Ehrenfest paradox
443 082
2Russian (ru)
Парадокс Эренфеста
138 826
3German (de)
Ehrenfestsches Paradoxon
127 598
4Polish (pl)
Paradoks Ehrenfesta
27 137
5French (fr)
Paradoxe d'Ehrenfest
26 092
6Dutch (nl)
Ehrenfestparadox
12 446
7Simple English (simple)
Rigidly rotating disk paradox
7 801
8Turkish (tr)
Ehrenfest paradoksu
5 918
9Czech (cs)
Ehrenfestův paradox
5 473
10Slovenian (sl)
Ehrenfestov paradoks
4 256
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 "Rigidly rotating disk paradox" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Ehrenfest paradox
2 194
2Russian (ru)
Парадокс Эренфеста
461
3Simple English (simple)
Rigidly rotating disk paradox
191
4German (de)
Ehrenfestsches Paradoxon
143
5Spanish (es)
Paradoja de Ehrenfest
99
6French (fr)
Paradoxe d'Ehrenfest
95
7Hungarian (hu)
Ehrenfest-paradoxon
37
8Polish (pl)
Paradoks Ehrenfesta
34
9Turkish (tr)
Ehrenfest paradoksu
34
10Dutch (nl)
Ehrenfestparadox
28
More...

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

The highest AI

Language versions of the article "Rigidly rotating disk paradox" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Ehrenfest paradox
88
2German (de)
Ehrenfestsches Paradoxon
54
3Russian (ru)
Парадокс Эренфеста
31
4Turkish (tr)
Ehrenfest paradoksu
29
5French (fr)
Paradoxe d'Ehrenfest
25
6Dutch (nl)
Ehrenfestparadox
14
7Hungarian (hu)
Ehrenfest-paradoxon
10
8Polish (pl)
Paradoks Ehrenfesta
10
9Czech (cs)
Ehrenfestův paradox
8
10Spanish (es)
Paradoja de Ehrenfest
8
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 "Rigidly rotating disk paradox" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Czech (cs)
Ehrenfestův paradox
0
2German (de)
Ehrenfestsches Paradoxon
0
3English (en)
Ehrenfest paradox
0
4Spanish (es)
Paradoja de Ehrenfest
0
5French (fr)
Paradoxe d'Ehrenfest
0
6Hungarian (hu)
Ehrenfest-paradoxon
0
7Armenian (hy)
Էրենֆեստի պարադոքս
0
8Dutch (nl)
Ehrenfestparadox
0
9Polish (pl)
Paradoks Ehrenfesta
0
10Russian (ru)
Парадокс Эренфеста
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 "Rigidly rotating disk paradox" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Ukrainian (uk)
Парадокс Еренфеста
100
2Polish (pl)
Paradoks Ehrenfesta
77
3Armenian (hy)
Էրենֆեստի պարադոքս
53
4English (en)
Ehrenfest paradox
50
5Russian (ru)
Парадокс Эренфеста
17
6German (de)
Ehrenfestsches Paradoxon
14
7French (fr)
Paradoxe d'Ehrenfest
13
8Spanish (es)
Paradoja de Ehrenfest
8
9Hungarian (hu)
Ehrenfest-paradoxon
5
10Dutch (nl)
Ehrenfestparadox
4
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
csCzech
Ehrenfestův paradox
deGerman
Ehrenfestsches Paradoxon
enEnglish
Ehrenfest paradox
esSpanish
Paradoja de Ehrenfest
frFrench
Paradoxe d'Ehrenfest
huHungarian
Ehrenfest-paradoxon
hyArmenian
Էրենֆեստի պարադոքս
nlDutch
Ehrenfestparadox
plPolish
Paradoks Ehrenfesta
ruRussian
Парадокс Эренфеста
simpleSimple English
Rigidly rotating disk paradox
slSlovenian
Ehrenfestov paradoks
trTurkish
Ehrenfest paradoksu
ukUkrainian
Парадокс Еренфеста

Popularity rank trends

Best Rank Simple English:
#1983
05.2019
Global:
#60846
09.2013

AI rank trends

Best Rank Simple English:
#1698
10.2015
Global:
#47927
10.2009

Local popularity rank history

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Ehrenfest paradox from Wikipedia articles about Paul Ehrenfest, General relativity, Length contraction, Special relativity and Relativity of simultaneity. Whereas reading the article about Ehrenfest paradox people most often go to Wikipedia articles on Born rigidity, Born coordinates, Paul Ehrenfest, Length contraction and Bells spaceship paradox.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 10 February 2026

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In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Jeffrey Epstein, XXXTentacion, Megan Skiendiel, Jessica Alba, Golden Edge, Manon Bannerman, Ghislaine Maxwell, Blake Carrett.

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