🌐EnglishEnglishDeutschEspañolFrançaisTiếng ViệtРусскийالعربية한국어中文日本語EntityQ1367380· pop 15· linked from 18 articlesBlack drop effectoptical phenomenon during a transit of Venus and MercuryAvailable in 14 languagesEspañolFrançaisDeutsch中文日本語РусскийالعربيةCatalanCzechRomanianConnectionsSunConceptVenusEntityCategoriesAstronomical transitsOptical phenomena