Explorer 4

Explorer 4 - American research satellite launched in 1958. Article “Explorer 4” in Polish Wikipedia has 16.5 points for quality (as of July 1, 2026). The article contains 3 references and 5 sections.

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

Since the creation of article “Explorer 4”, its content was written by 11 registered users of Polish Wikipedia and edited by 196 registered Wikipedia users in all languages.

The article is cited 68 times in Polish Wikipedia and cited 769 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Polish): #12854 in January 2017
• Global: #2655 in November 2002

The highest popularity rank from 2008:

• Local (Polish): #154754 in January 2009
• Global: #731943 in July 2011

There are 17 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, 2026 (including revision history and pageviews for previous years).

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

#	Language	Quality grade	Quality score
1	English (en) Explorer 4		30.2719
2	Galician (gl) Explorer 4		28.2009
3	German (de) Explorer 4		18.9413
4	Polish (pl) Explorer 4		16.4506
5	Indonesian (id) Explorer 4		11.7873
6	French (fr) Explorer 4		10.5425
7	Finnish (fi) Explorer 4		9.0694
8	Vietnamese (vi) Explorer 4		7.4179
9	Italian (it) Explorer 4		6.9324
10	Hungarian (hu) Explorer–4		6.4982

More...

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

The most popular language versions of the article "Explorer 4" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Explorer 4		99 137
2	Polish (pl) Explorer 4		20 991
3	Russian (ru) Эксплорер-4		14 085
4	Japanese (ja) エクスプローラー4号		10 535
5	Italian (it) Explorer 4		9 393
6	French (fr) Explorer 4		4 459
7	German (de) Explorer 4		3 905
8	Finnish (fi) Explorer 4		3 751
9	Ukrainian (uk) Експлорер-4		3 292
10	Czech (cs) Explorer 4		3 027

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

The most popular language versions of the article "Explorer 4" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Explorer 4		414
2	Japanese (ja) エクスプローラー4号		25
3	German (de) Explorer 4		19
4	Russian (ru) Эксплорер-4		17
5	Italian (it) Explorer 4		15
6	Polish (pl) Explorer 4		13
7	Czech (cs) Explorer 4		12
8	French (fr) Explorer 4		12
9	Portuguese (pt) Explorer 4		6
10	Hungarian (hu) Explorer–4		5

More...

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

Language versions of the article "Explorer 4" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Explorer 4		45
2	English (en) Explorer 4		45
3	Italian (it) Explorer 4		25
4	Finnish (fi) Explorer 4		11
5	Polish (pl) Explorer 4		11
6	Czech (cs) Explorer 4		8
7	Ukrainian (uk) Експлорер-4		8
8	Russian (ru) Эксплорер-4		7
9	French (fr) Explorer 4		6
10	Portuguese (pt) Explorer 4		6

More...

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

Language versions of the article "Explorer 4" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Hungarian (hu) Explorer–4		1
2	Czech (cs) Explorer 4		0
3	German (de) Explorer 4		0
4	English (en) Explorer 4		0
5	Finnish (fi) Explorer 4		0
6	French (fr) Explorer 4		0
7	Galician (gl) Explorer 4		0
8	Indonesian (id) Explorer 4		0
9	Italian (it) Explorer 4		0
10	Japanese (ja) エクスプローラー4号		0

More...

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

Language versions of the article "Explorer 4" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Explorer 4		160
2	French (fr) Explorer 4		95
3	German (de) Explorer 4		86
4	Italian (it) Explorer 4		85
5	Polish (pl) Explorer 4		68
6	Russian (ru) Эксплорер-4		61
7	Japanese (ja) エクスプローラー4号		54
8	Czech (cs) Explorer 4		49
9	Slovak (sk) Explorer 4		49
10	Ukrainian (uk) Експлорер-4		40

More...

#	Language	Value
cs	Czech Explorer 4
de	German Explorer 4
en	English Explorer 4
fi	Finnish Explorer 4
fr	French Explorer 4
gl	Galician Explorer 4
hu	Hungarian Explorer–4
id	Indonesian Explorer 4
it	Italian Explorer 4
ja	Japanese エクスプローラー4号
nn	Norwegian (Nynorsk) Explorer 4
pl	Polish Explorer 4
pt	Portuguese Explorer 4
ru	Russian Эксплорер-4
sk	Slovak Explorer 4
uk	Ukrainian Експлорер-4
vi	Vietnamese Explorer 4

Best Rank

Polish: #154754 01.2009

Global: #731943 07.2011

Best Rank

Polish: #12854 01.2017

Global: #2655 11.2002

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information