noun🔗ShareFotósferaA visible surface layer of a star, and especially that of a sun."Looking through a telescope with a special filter, we can see sunspots on the photosphere of the sun. "Mirando a través de un telescopio con un filtro especial, podemos ver manchas solares en la fotósfera del sol.astronomyspacesciencephysicsChat with AIVocabulary GamePractice Reading