impact:

What caused the exceptional mid-latitudinal Noctilucent Cloud event in July 2009?

According to PR-model, What caused the exceptional mid-latitudinal Noctilucent Cloud event in July 2009? is ranked 378,491^st in multilingual Wikipedia, in particular this website is ranked 1,010^th in Swedish Wikipedia.

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*All Wikipedias

378,491^st place

253,086^th place

137,496^th place

svSwedish

1,010^th place

8,866^th place

276^th place

enEnglish

478,389^th place

1,239,408^th place

682,678^th place

ptPortuguese

70,537^th place

47,181^st place

97,478^th place

bgBulgarian

7,475^th place

6,668^th place

7,978^th place

slSlovenian

15,636^th place

5,372^nd place

14,136^th place

nnNorwegian Nynorsk

2,704^th place

1,668^th place

2,545^th place