Гипотеза пурпурной Земли

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Гипотеза пурпурной Земли

Quality:

Purple Earth hypothesis - astrobiological hypothesis that life forms of early Earth were retinal-based rather than chlorophyll-based, making Earth appear purple rather than green. Article "Гипотеза пурпурной Земли" in Russian Wikipedia has 20.4 points for quality (as of July 1, 2025). The article contains 6 references and 3 sections.

This article has the best quality in Malay Wikipedia. However, the most popular language version of this article is English.

Since the creation of article "Гипотеза пурпурной Земли", its content was written by 6 registered users of Russian Wikipedia and edited by 91 registered Wikipedia users in all languages.

The article is cited 1 times in Russian Wikipedia and cited 45 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Russian): #30476 in February 2024
  • Global: #87378 in April 2019

The highest popularity rank from 2008:

  • Local (Russian): #287395 in April 2025
  • Global: #244966 in February 2025

There are 10 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
1Malay (ms)
Hipotesis Bumi Ungu
34.699
2Ukrainian (uk)
Гіпотеза фіолетової Землі
27.506
3English (en)
Purple Earth hypothesis
24.0001
4Catalan (ca)
Hipòtesi de la Terra porpra
21.6838
5Spanish (es)
Hipótesis de la Tierra púrpura
21.607
6Chinese (zh)
紫色地球假說
20.6294
7Russian (ru)
Гипотеза пурпурной Земли
20.4284
8Italian (it)
Ipotesi della Terra viola
18.2842
9Galician (gl)
Hipótese da Terra púrpura
15.8227
10French (fr)
Hypothèse de la Terre pourpre
14.2643
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 "Гипотеза пурпурной Земли" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Purple Earth hypothesis
301 783
2Chinese (zh)
紫色地球假說
14 756
3Spanish (es)
Hipótesis de la Tierra púrpura
4 499
4Russian (ru)
Гипотеза пурпурной Земли
4 491
5French (fr)
Hypothèse de la Terre pourpre
2 685
6Italian (it)
Ipotesi della Terra viola
1 016
7Ukrainian (uk)
Гіпотеза фіолетової Землі
432
8Galician (gl)
Hipótese da Terra púrpura
209
9Catalan (ca)
Hipòtesi de la Terra porpra
119
10Malay (ms)
Hipotesis Bumi Ungu
101
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 "Гипотеза пурпурной Земли" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Purple Earth hypothesis
3 537
2Chinese (zh)
紫色地球假說
256
3Russian (ru)
Гипотеза пурпурной Земли
80
4Spanish (es)
Hipótesis de la Tierra púrpura
78
5French (fr)
Hypothèse de la Terre pourpre
34
6Italian (it)
Ipotesi della Terra viola
25
7Malay (ms)
Hipotesis Bumi Ungu
11
8Catalan (ca)
Hipòtesi de la Terra porpra
7
9Galician (gl)
Hipótese da Terra púrpura
7
10Ukrainian (uk)
Гіпотеза фіолетової Землі
5
More...

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

The highest AI

Language versions of the article "Гипотеза пурпурной Земли" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Purple Earth hypothesis
57
2French (fr)
Hypothèse de la Terre pourpre
7
3Russian (ru)
Гипотеза пурпурной Земли
6
4Spanish (es)
Hipótesis de la Tierra púrpura
5
5Chinese (zh)
紫色地球假說
5
6Ukrainian (uk)
Гіпотеза фіолетової Землі
4
7Italian (it)
Ipotesi della Terra viola
3
8Catalan (ca)
Hipòtesi de la Terra porpra
2
9Galician (gl)
Hipótese da Terra púrpura
1
10Malay (ms)
Hipotesis Bumi Ungu
1
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 "Гипотеза пурпурной Земли" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Italian (it)
Ipotesi della Terra viola
1
2Catalan (ca)
Hipòtesi de la Terra porpra
0
3English (en)
Purple Earth hypothesis
0
4Spanish (es)
Hipótesis de la Tierra púrpura
0
5French (fr)
Hypothèse de la Terre pourpre
0
6Galician (gl)
Hipótese da Terra púrpura
0
7Malay (ms)
Hipotesis Bumi Ungu
0
8Russian (ru)
Гипотеза пурпурной Земли
0
9Ukrainian (uk)
Гіпотеза фіолетової Землі
0
10Chinese (zh)
紫色地球假說
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 "Гипотеза пурпурной Земли" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Purple Earth hypothesis
23
2French (fr)
Hypothèse de la Terre pourpre
6
3Chinese (zh)
紫色地球假說
4
4Galician (gl)
Hipótese da Terra púrpura
3
5Italian (it)
Ipotesi della Terra viola
3
6Malay (ms)
Hipotesis Bumi Ungu
2
7Catalan (ca)
Hipòtesi de la Terra porpra
1
8Spanish (es)
Hipótesis de la Tierra púrpura
1
9Russian (ru)
Гипотеза пурпурной Земли
1
10Ukrainian (uk)
Гіпотеза фіолетової Землі
1
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
caCatalan
Hipòtesi de la Terra porpra
enEnglish
Purple Earth hypothesis
esSpanish
Hipótesis de la Tierra púrpura
frFrench
Hypothèse de la Terre pourpre
glGalician
Hipótese da Terra púrpura
itItalian
Ipotesi della Terra viola
msMalay
Hipotesis Bumi Ungu
ruRussian
Гипотеза пурпурной Земли
ukUkrainian
Гіпотеза фіолетової Землі
zhChinese
紫色地球假說

Popularity rank trends

Best Rank Russian:
#287395
04.2025
Global:
#244966
02.2025

AI rank trends

Best Rank Russian:
#30476
02.2024
Global:
#87378
04.2019

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Purple Earth hypothesis from Wikipedia articles about Great Oxygenation Event, Boring Billion, Retinal, Photosynthesis and Shadow biosphere. Whereas reading the article about Purple Earth hypothesis people most often go to Wikipedia articles on Retinal, Canfield ocean, Boring Billion, Halobacteria and Great Oxygenation Event.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In Russian Wikipedia the most popular articles on that day were: Яндекс, Главы Курска, Анкоридж, Аляска, Уэнздей (2-й сезон), Катастрофа АПЛ «Курск», Бутусов, Юрий Николаевич, Продажа Аляски, К-141 «Курск», Корж, Макс.

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