noun🔗Share광구A 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. "특수 필터를 장착한 망원경으로 보면 태양의 광구에서 흑점을 볼 수 있습니다.astronomyspacesciencephysicsChat with AIVocabulary GamePractice Reading
