Lichtecho

Light echo - physical phenomenon caused by light reflected off surfaces distant from the source, and arriving at the observer with a delay relative to this distance;analogous to an echo of sound, it mostly only manifests itself over astronomical distances. Article “Lichtecho” in German Wikipedia has 18.3 points for quality (as of July 1, 2025). The article contains 2 references and 5 sections.

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

Since the creation of article “Lichtecho”, its content was written by 22 registered users of German Wikipedia and edited by 155 registered Wikipedia users in all languages.

The article is cited 12 times in German Wikipedia and cited 153 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #17128 in April 2012
• Global: #64664 in August 2010

The highest popularity rank from 2008:

• Local (German): #111829 in November 2022
• Global: #161817 in September 2015

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, 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) Light echo		64.3157
2	Chinese (zh) 光回波		30.8265
3	Russian (ru) Световое эхо		29.0882
4	Spanish (es) Eco de luz		23.6081
5	Japanese (ja) 光エコー		22.7996
6	Arabic (ar) صدى الضوء		21.0762
7	Italian (it) Eco luminosa		20.4362
8	Portuguese (pt) Eco de luz		19.7678
9	German (de) Lichtecho		18.3072
10	Hindi (hi) प्रकाश गूंज		17.536

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Light echo		360 972
2	Russian (ru) Световое эхо		57 144
3	German (de) Lichtecho		36 871
4	Spanish (es) Eco de luz		33 064
5	Japanese (ja) 光エコー		23 897
6	Italian (it) Eco luminosa		9 719
7	Portuguese (pt) Eco de luz		8 691
8	Chinese (zh) 光回波		6 212
9	French (fr) Écho lumineux		5 470
10	Arabic (ar) صدى الضوء		1 925

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 "Lichtecho" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Light echo		2 730
2	Russian (ru) Световое эхо		129
3	Spanish (es) Eco de luz		123
4	Chinese (zh) 光回波		89
5	German (de) Lichtecho		76
6	Japanese (ja) 光エコー		76
7	Italian (it) Eco luminosa		32
8	French (fr) Écho lumineux		27
9	Arabic (ar) صدى الضوء		20
10	Portuguese (pt) Eco de luz		11

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Light echo		62
2	German (de) Lichtecho		22
3	Russian (ru) Световое эхо		18
4	Italian (it) Eco luminosa		16
5	Spanish (es) Eco de luz		10
6	French (fr) Écho lumineux		9
7	Arabic (ar) صدى الضوء		4
8	Japanese (ja) 光エコー		4
9	Chinese (zh) 光回波		4
10	Portuguese (pt) Eco de luz		3

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 "Lichtecho" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Japanese (ja) 光エコー		1
2	Arabic (ar) صدى الضوء		0
3	German (de) Lichtecho		0
4	English (en) Light echo		0
5	Spanish (es) Eco de luz		0
6	Persian (fa) اکوی نور		0
7	French (fr) Écho lumineux		0
8	Hindi (hi) प्रकाश गूंज		0
9	Italian (it) Eco luminosa		0
10	Portuguese (pt) Eco de luz		0

More...

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

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

#	Language	CI award	Relative CI
1	English (en) Light echo		39
2	Russian (ru) Световое эхо		22
3	Spanish (es) Eco de luz		15
4	Chinese (zh) 光回波		15
5	German (de) Lichtecho		12
6	French (fr) Écho lumineux		12
7	Italian (it) Eco luminosa		11
8	Japanese (ja) 光エコー		10
9	Arabic (ar) صدى الضوء		6
10	Portuguese (pt) Eco de luz		6

More...

#	Language	Value
ar	Arabic صدى الضوء
de	German Lichtecho
en	English Light echo
es	Spanish Eco de luz
fa	Persian اکوی نور
fr	French Écho lumineux
hi	Hindi प्रकाश गूंज
it	Italian Eco luminosa
ja	Japanese 光エコー
pt	Portuguese Eco de luz
ru	Russian Световое эхо
zh	Chinese 光回波

Best Rank

German: #111829 11.2022

Global: #161817 09.2015

Best Rank

German: #17128 04.2012

Global: #64664 08.2010

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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