Home›Browse›Category:20th-century astronomers🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ8205513· pop 33Category:20th-century astronomersWikimedia categoryWikidata factsShow 1 more factCommons category20th-century astronomersvia Wikidata · CC0~1 min readArticle15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25thAvailable in 31 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsالعربيةArmenian