🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisNederlandsPolskiPortuguêsTiếng ViệtРусскийفارسی한국어中文日本語EntityQ2027206· pop 19· linked from 43 articlesopposition surgebrightening of a rough surface, when illuminated from directly behind the observerConnectionsMoonConceptastronomyEntityCategoriesAstronomical eventsLunar scienceObservational astronomyOptical phenomenaRadiometryScattering, absorption and radiative transfer (optics)