Explorer 21

Quality:

Explorer 21 - American satellite of Explorers program. Article "Explorer 21" in Polish Wikipedia has 16.4 points for quality (as of August 1, 2024). The article contains 3 references and 4 sections.

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

Since the creation of article "Explorer 21", its content was written by 7 registered users of Polish Wikipedia and edited by 48 registered Wikipedia users in all languages.

The article is cited 64 times in Polish Wikipedia and cited 335 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Polish): #10683 in May 2015
  • Global: #100626 in June 2018

The highest popularity rank from 2008:

  • Local (Polish): #242303 in November 2013
  • Global: #2309741 in November 2013

There are 6 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 August 1, 2024 (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)
Explorer 21
41.1649
2Galician (gl)
Explorer 21
29.4099
3Portuguese (pt)
Explorer 21
26.7157
4Italian (it)
Explorer 21
26.6601
5Arabic (ar)
إكسبلورر 21
24.2024
6Polish (pl)
Explorer 21
16.369
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 "Explorer 21" in all the time
#LanguagePopularity awardRelative popularity
1Polish (pl)
Explorer 21
8 872
2Italian (it)
Explorer 21
4 748
3English (en)
Explorer 21
4 507
4Galician (gl)
Explorer 21
785
5Portuguese (pt)
Explorer 21
770
6Arabic (ar)
إكسبلورر 21
125
More...

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

Most popular in July 2024

The most popular language versions of the article "Explorer 21" in July 2024
#LanguagePopularity awardRelative popularity
1English (en)
Explorer 21
48
2Italian (it)
Explorer 21
5
3Portuguese (pt)
Explorer 21
4
4Galician (gl)
Explorer 21
3
5Arabic (ar)
إكسبلورر 21
1
6Polish (pl)
Explorer 21
1
More...

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

The highest AI

Language versions of the article "Explorer 21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Italian (it)
Explorer 21
17
2English (en)
Explorer 21
15
3Polish (pl)
Explorer 21
7
4Arabic (ar)
إكسبلورر 21
4
5Portuguese (pt)
Explorer 21
3
6Galician (gl)
Explorer 21
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 July 2024

Language versions of the article "Explorer 21" with the highest AI in July 2024
#LanguageAI awardRelative AI
1Arabic (ar)
إكسبلورر 21
0
2English (en)
Explorer 21
0
3Galician (gl)
Explorer 21
0
4Italian (it)
Explorer 21
0
5Polish (pl)
Explorer 21
0
6Portuguese (pt)
Explorer 21
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 "Explorer 21" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Explorer 21
176
2Italian (it)
Explorer 21
84
3Polish (pl)
Explorer 21
64
4Galician (gl)
Explorer 21
7
5Portuguese (pt)
Explorer 21
4
6Arabic (ar)
إكسبلورر 21
0
More...

Scores

Estimated value for Wikipedia:
Polish:
Global:
Popularity in July 2024:
Polish:
Global:
Popularity in all years:
Polish:
Global:
Authors in July 2024:
Polish:
Global:
Registered authors in all years:
Polish:
Global:
Citations:
Polish:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
إكسبلورر 21
enEnglish
Explorer 21
glGalician
Explorer 21
itItalian
Explorer 21
plPolish
Explorer 21
ptPortuguese
Explorer 21

Popularity rank trends

Best Rank Polish:
#242303
11.2013
Global:
#2309741
11.2013

AI rank trends

Best Rank Polish:
#10683
05.2015
Global:
#100626
06.2018

Languages comparison

Important global interconnections

Cumulative results of quality and popularity of the Wikipedia article

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

News from 20 February 2025

On 20 February 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Pope Francis, Elon Musk, Donald Trump, Zero Day, 2024–25 UEFA Champions League, killing of Gabby Petito, Kylian Mbappé, UEFA Champions League, ChatGPT, Volodymyr Zelenskyy.

In Polish Wikipedia the most popular articles on that day were: Agnieszka Kwiatkowska-Gurdak, Franciszek (papież), Marian Turski, Simona Kossak, Edward Siarka, Mirra Andriejewa, Radio Nowy Świat, Elon Musk, Gloria Kossak, Falcon 9.

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 August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information