Giant impact hypothesis

Quality:

Giant impact hypothesis - theory that the Moon formed out of the debris left over from a collision between Earth and an astronomical body the size of Mars, approximately 4.5 billion years ago. Article “Giant impact hypothesis” in Simple English Wikipedia has 43.5 points for quality (as of July 1, 2026). The article contains 17 references and 8 sections.

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

Since the creation of article “Giant impact hypothesis”, its content was written by 15 registered users of Simple English Wikipedia and edited by 1237 registered Wikipedia users in all languages.

The article is cited 12 times in Simple English Wikipedia and cited 47667 times in all languages (3447^th place).

The highest Authors Interest rank from 2001:

• Local (Simple English): #1665 in March 2017
• Global: #1132 in May 2002

The highest popularity rank from 2008:

• Local (Simple English): #4596 in May 2022
• Global: #25893 in June 2014

There are 34 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	Chinese (zh) 大碰撞說		89.8491
2	English (en) Giant-impact hypothesis		85.014
3	Ukrainian (uk) Модель ударного формування Місяця		78.1448
4	Finnish (fi) Kuun synty		61.0995
5	Simple English (simple) Giant impact hypothesis		43.5399
6	Vietnamese (vi) Giả thuyết vụ va chạm lớn		42.168
7	Norwegian (no) Nedslagsteorien		37.669
8	Catalan (ca) Hipòtesi del gran impacte		36.5066
9	Czech (cs) Teorie velkého impaktu		35.8637
10	Russian (ru) Модель ударного формирования Луны		33.7546

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

#	Language	Popularity award	Relative popularity
1	English (en) Giant-impact hypothesis		3 758 414
2	Japanese (ja) ジャイアント・インパクト説		1 173 913
3	Spanish (es) Teoría del gran impacto		966 447
4	Russian (ru) Модель ударного формирования Луны		527 862
5	Portuguese (pt) Hipótese do grande impacto		267 713
6	Polish (pl) Teoria wielkiego zderzenia		258 886
7	Chinese (zh) 大碰撞說		201 034
8	French (fr) Hypothèse de l'impact géant		188 810
9	Arabic (ar) فرضية الاصطدام العملاق		71 880
10	Dutch (nl) Grote-inslaghypothese		62 089

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

#	Language	Popularity award	Relative popularity
1	English (en) Giant-impact hypothesis		10 476
2	Japanese (ja) ジャイアント・インパクト説		2 352
3	Russian (ru) Модель ударного формирования Луны		1 540
4	Spanish (es) Teoría del gran impacto		1 489
5	Polish (pl) Teoria wielkiego zderzenia		772
6	Chinese (zh) 大碰撞說		768
7	French (fr) Hypothèse de l'impact géant		463
8	Portuguese (pt) Hipótese do grande impacto		307
9	Dutch (nl) Grote-inslaghypothese		125
10	Ukrainian (uk) Модель ударного формування Місяця		101

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

#	Language	AI award	Relative AI
1	English (en) Giant-impact hypothesis		495
2	Russian (ru) Модель ударного формирования Луны		81
3	Chinese (zh) 大碰撞說		68
4	Spanish (es) Teoría del gran impacto		56
5	French (fr) Hypothèse de l'impact géant		56
6	Japanese (ja) ジャイアント・インパクト説		56
7	Portuguese (pt) Hipótese do grande impacto		51
8	Dutch (nl) Grote-inslaghypothese		43
9	Polish (pl) Teoria wielkiego zderzenia		38
10	Galician (gl) Big Splash		29

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

#	Language	AI award	Relative AI
1	English (en) Giant-impact hypothesis		3
2	Arabic (ar) فرضية الاصطدام العملاق		1
3	Basque (eu) Talka handiaren hipotesia		1
4	Norwegian (no) Nedslagsteorien		1
5	Ukrainian (uk) Модель ударного формування Місяця		1
6	Azerbaijani (az) Böyük toqquşma fərziyyəsi		0
7	Belarusian (be) Тэорыя гіганцкага сутыкнення		0
8	Catalan (ca) Hipòtesi del gran impacte		0
9	Czech (cs) Teorie velkého impaktu		0
10	Danish (da) Sammenstødsteorien for Månens oprindelse		0

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

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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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