Category:1931 in astronomy (Q31970341)
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Language | Label | Description | Also known as |
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English | Category:1931 in astronomy |
Wikimedia category |
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Wikipedia(4 entries)
- bewiki Катэгорыя:1931 год у астраноміі
- frwiki Catégorie:1931 en astronomie
- rowiki Categorie:1931 în astronomie
- skwiki Kategória:1931 vo vesmíre