🌐EnglishEnglishDeutschFrançaisItalianoPolskiPortuguêsРусскийفارسی한국어中文日本語EntityQ2142629· pop 19· linked from 99 articlesrelaxationreturn of a perturbed system into equilibriumAvailable in 19 languagesFrançaisDeutsch中文日本語РусскийPortuguêsItalianoArmenianAzerbaijaniCatalanConnectionsastronomyEntitygalaxyEntityCategoriesCelestial mechanicsEquations of astronomyTime in astronomyTime in physics