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, 2025). The article contains 8 references and 4 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.41 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 150 registered Wikipedia users in all languages.

The article is cited 115 times in English Wikipedia and cited 575 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #885 in July 2001
• Global: #1106 in July 2001

The highest popularity rank from 2008:

• Local (English): #420942 in December 2021
• Global: #531888 in December 2021

There are 11 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	German (de) Hauptspiegel		31.8523
2	Ukrainian (uk) Головне дзеркало		30.2845
3	English (en) Primary mirror		26.7141
4	Vietnamese (vi) Gương chính		21.2971
5	Arabic (ar) مرآة رئيسة		19.3311
6	Thai (th) กระจกเงาปฐมภูมิ		18.2087
7	French (fr) Miroir primaire		17.8811
8	Esperanto (eo) Primara spegulo		17.0228
9	Spanish (es) Espejo primario		15.3887
10	Italian (it) Specchio primario		9.734

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		134 672
2	German (de) Hauptspiegel		50 644
3	French (fr) Miroir primaire		23 944
4	Spanish (es) Espejo primario		14 770
5	Italian (it) Specchio primario		14 513
6	Chinese (zh) 主鏡		6 633
7	Arabic (ar) مرآة رئيسة		2 265
8	Thai (th) กระจกเงาปฐมภูมิ		464
9	Ukrainian (uk) Головне дзеркало		358
10	Vietnamese (vi) Gương chính		299

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 "Primary mirror" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Primary mirror		977
2	French (fr) Miroir primaire		112
3	German (de) Hauptspiegel		88
4	Chinese (zh) 主鏡		44
5	Italian (it) Specchio primario		30
6	Spanish (es) Espejo primario		28
7	Thai (th) กระจกเงาปฐมภูมิ		17
8	Ukrainian (uk) Головне дзеркало		15
9	Arabic (ar) مرآة رئيسة		11
10	Vietnamese (vi) Gương chính		7

More...

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		38
3	French (fr) Miroir primaire		22
4	Italian (it) Specchio primario		19
5	Spanish (es) Espejo primario		10
6	Arabic (ar) مرآة رئيسة		6
7	Vietnamese (vi) Gương chính		4
8	Chinese (zh) 主鏡		3
9	Thai (th) กระจกเงาปฐมภูมิ		2
10	Ukrainian (uk) Головне дзеркало		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 2025

#	Language	AI award	Relative AI
1	Spanish (es) Espejo primario		1
2	Arabic (ar) مرآة رئيسة		0
3	German (de) Hauptspiegel		0
4	English (en) Primary mirror		0
5	Esperanto (eo) Primara spegulo		0
6	French (fr) Miroir primaire		0
7	Italian (it) Specchio primario		0
8	Thai (th) กระจกเงาปฐมภูมิ		0
9	Ukrainian (uk) Головне дзеркало		0
10	Vietnamese (vi) Gương chính		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		150
2	English (en) Primary mirror		115
3	German (de) Hauptspiegel		105
4	Italian (it) Specchio primario		51
5	Spanish (es) Espejo primario		37
6	Thai (th) กระจกเงาปฐมภูมิ		32
7	Ukrainian (uk) Головне дзеркало		27
8	Chinese (zh) 主鏡		23
9	Arabic (ar) مرآة رئيسة		20
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
it	Italian Specchio primario
th	Thai กระจกเงาปฐมภูมิ
uk	Ukrainian Головне дзеркало
vi	Vietnamese Gương chính
zh	Chinese 主鏡

Best Rank

English: #420942 12.2021

Global: #531888 12.2021

Best Rank

English: #885 07.2001

Global: #1106 07.2001

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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