Primary mirror

Primary mirror - main light-gathering source of reflecting telescope. Article “Primary mirror” in English Wikipedia has 26.7 points for quality (as of July 1, 2026). The article contains 8 references and 4 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.4 points.

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

Since the creation of article “Primary mirror”, its content was written by 43 registered users of English Wikipedia and edited by 156 registered Wikipedia users in all languages.

The article is cited 124 times in English Wikipedia and cited 600 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #972 in July 2001
• Global: #1192 in July 2001

The highest popularity rank from 2008:

• Local (English): #420597 in December 2021
• Global: #531771 in December 2021

There are 12 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	German (de) Hauptspiegel		32.3245
2	Chinese (zh) 主鏡		32.28
3	Ukrainian (uk) Головне дзеркало		29.4164
4	English (en) Primary mirror		26.6628
5	Hungarian (hu) Főtükör		24.9053
6	Vietnamese (vi) Gương chính		21.1966
7	Arabic (ar) مرآة رئيسة		19.3261
8	Thai (th) กระจกเงาปฐมภูมิ		17.9517
9	French (fr) Miroir primaire		17.8256
10	Esperanto (eo) Primara spegulo		16.7976

More...

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

The most popular language versions of the article "Primary mirror" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Primary mirror		139 066
2	German (de) Hauptspiegel		51 807
3	French (fr) Miroir primaire		24 912
4	Spanish (es) Espejo primario		15 156
5	Italian (it) Specchio primario		14 837
6	Chinese (zh) 主鏡		7 317
7	Arabic (ar) مرآة رئيسة		2 362
8	Thai (th) กระจกเงาปฐมภูมิ		564
9	Ukrainian (uk) Головне дзеркало		432
10	Vietnamese (vi) Gương chính		335

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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 "Primary mirror" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Primary mirror		264
2	German (de) Hauptspiegel		72
3	French (fr) Miroir primaire		61
4	Chinese (zh) 主鏡		41
5	Spanish (es) Espejo primario		24
6	Italian (it) Specchio primario		20
7	Thai (th) กระจกเงาปฐมภูมิ		9
8	Esperanto (eo) Primara spegulo		7
9	Ukrainian (uk) Головне дзеркало		6
10	Vietnamese (vi) Gương chính		6

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

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

#	Language	AI award	Relative AI
1	English (en) Primary mirror		43
2	German (de) Hauptspiegel		39
3	French (fr) Miroir primaire		23
4	Italian (it) Specchio primario		19
5	Spanish (es) Espejo primario		10
6	Arabic (ar) مرآة رئيسة		6
7	Hungarian (hu) Főtükör		4
8	Vietnamese (vi) Gương chính		4
9	Chinese (zh) 主鏡		3
10	Thai (th) กระจกเงาปฐมภูมิ		2

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 "Primary mirror" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) مرآة رئيسة		0
2	German (de) Hauptspiegel		0
3	English (en) Primary mirror		0
4	Esperanto (eo) Primara spegulo		0
5	Spanish (es) Espejo primario		0
6	French (fr) Miroir primaire		0
7	Hungarian (hu) Főtükör		0
8	Italian (it) Specchio primario		0
9	Thai (th) กระจกเงาปฐมภูมิ		0
10	Ukrainian (uk) Головне дзеркало		0

More...

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

Language versions of the article "Primary mirror" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Miroir primaire		157
2	English (en) Primary mirror		124
3	German (de) Hauptspiegel		104
4	Italian (it) Specchio primario		52
5	Spanish (es) Espejo primario		38
6	Ukrainian (uk) Головне дзеркало		32
7	Thai (th) กระจกเงาปฐมภูมิ		30
8	Chinese (zh) 主鏡		24
9	Arabic (ar) مرآة رئيسة		17
10	Vietnamese (vi) Gương chính		10

More...

#	Language	Value
ar	Arabic مرآة رئيسة
de	German Hauptspiegel
en	English Primary mirror
eo	Esperanto Primara spegulo
es	Spanish Espejo primario
fr	French Miroir primaire
hu	Hungarian Főtükör
it	Italian Specchio primario
th	Thai กระจกเงาปฐมภูมิ
uk	Ukrainian Головне дзеркало
vi	Vietnamese Gương chính
zh	Chinese 主鏡

Best Rank

English: #420597 12.2021

Global: #531771 12.2021

Best Rank

English: #972 07.2001

Global: #1192 07.2001

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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