Strefy Strömgrena

Strömgren sphere - sphere of ionized hydrogen around a young star of the spectral classes O or B. Article “Strefy Strömgrena” in Polish Wikipedia has 0.2 points for quality (as of July 1, 2025).

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 “Strefy Strömgrena”, its content was written by 11 registered users of Polish Wikipedia and edited by 155 registered Wikipedia users in all languages.

The article is cited 6 times in Polish Wikipedia and cited 322 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Polish): #67 in May 2003
• Global: #7032 in May 2003

The highest popularity rank from 2008:

• Local (Polish): #138777 in January 2009
• Global: #193920 in May 2016

There are 15 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.

#	Language	Quality grade	Quality score
1	English (en) Strömgren sphere		20.3629
2	Italian (it) Sfera di Strömgren		17.7859
3	Russian (ru) Сфера Стрёмгрена		15.6012
4	Dutch (nl) Strömgrensfeer		14.7458
5	Japanese (ja) ストレームグレン球		11.351
6	Korean (ko) 스트룀그렌구		11.3405
7	Chinese (zh) 斯特龙根球		10.8649
8	French (fr) Sphère de Strömgren		9.8205
9	Spanish (es) Esfera de Strömgren		5.3618
10	German (de) Strömgren-Sphäre		4.2344

More...

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

The most popular language versions of the article "Strefy Strömgrena" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Strömgren sphere		137 528
2	German (de) Strömgren-Sphäre		22 388
3	Polish (pl) Strefy Strömgrena		16 730
4	Spanish (es) Esfera de Strömgren		11 046
5	French (fr) Sphère de Strömgren		8 480
6	Japanese (ja) ストレームグレン球		6 849
7	Italian (it) Sfera di Strömgren		5 937
8	Chinese (zh) 斯特龙根球		5 235
9	Russian (ru) Сфера Стрёмгрена		4 361
10	Korean (ko) 스트룀그렌구		4 054

More...

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 "Strefy Strömgrena" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Strömgren sphere		940
2	German (de) Strömgren-Sphäre		67
3	Chinese (zh) 斯特龙根球		54
4	Spanish (es) Esfera de Strömgren		39
5	Italian (it) Sfera di Strömgren		33
6	Japanese (ja) ストレームグレン球		33
7	Russian (ru) Сфера Стрёмгрена		33
8	French (fr) Sphère de Strömgren		27
9	Korean (ko) 스트룀그렌구		26
10	Greek (el) Σφαίρα Στρέμγκρεν		25

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Strömgren sphere		40
2	French (fr) Sphère de Strömgren		29
3	German (de) Strömgren-Sphäre		22
4	Italian (it) Sfera di Strömgren		11
5	Polish (pl) Strefy Strömgrena		11
6	Spanish (es) Esfera de Strömgren		7
7	Greek (el) Σφαίρα Στρέμγκρεν		6
8	Lithuanian (lt) Striomgreno sfera		5
9	Norwegian (no) Strömgrens kule		5
10	Portuguese (pt) Esfera de Strömgren		5

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 "Strefy Strömgrena" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Chinese (zh) 斯特龙根球		2
2	German (de) Strömgren-Sphäre		0
3	Greek (el) Σφαίρα Στρέμγκρεν		0
4	English (en) Strömgren sphere		0
5	Spanish (es) Esfera de Strömgren		0
6	French (fr) Sphère de Strömgren		0
7	Italian (it) Sfera di Strömgren		0
8	Japanese (ja) ストレームグレン球		0
9	Korean (ko) 스트룀그렌구		0
10	Lithuanian (lt) Striomgreno sfera		0

More...

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

Language versions of the article "Strefy Strömgrena" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Strömgren sphere		245
2	French (fr) Sphère de Strömgren		8
3	Spanish (es) Esfera de Strömgren		7
4	Italian (it) Sfera di Strömgren		7
5	Korean (ko) 스트룀그렌구		7
6	Russian (ru) Сфера Стрёмгрена		7
7	Chinese (zh) 斯特龙根球		7
8	Greek (el) Σφαίρα Στρέμγκρεν		6
9	Polish (pl) Strefy Strömgrena		6
10	Portuguese (pt) Esfera de Strömgren		6

More...

#	Language	Value
de	German Strömgren-Sphäre
el	Greek Σφαίρα Στρέμγκρεν
en	English Strömgren sphere
es	Spanish Esfera de Strömgren
fr	French Sphère de Strömgren
it	Italian Sfera di Strömgren
ja	Japanese ストレームグレン球
ko	Korean 스트룀그렌구
lt	Lithuanian Striomgreno sfera
nl	Dutch Strömgrensfeer
no	Norwegian Strömgrens kule
pl	Polish Strefy Strömgrena
pt	Portuguese Esfera de Strömgren
ru	Russian Сфера Стрёмгрена
zh	Chinese 斯特龙根球

Best Rank

Polish: #138777 01.2009

Global: #193920 05.2016

Best Rank

Polish: #67 05.2003

Global: #7032 05.2003

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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 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