🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربيةहिन्दी한국어中文日本語EntityQ2105737· pop 22· linked from 688 articlesposition angleAlso known as PAmeasurement relating to observed visual binary starsAvailable in 22 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةहिन्दीCatalanCzechConnectionsastronomyEntityInternational Standard Book NumberEntityCategoriesAngleAstronomical coordinate systemsObservational astronomy