noun🔗Share유성체A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere"The astronomy club discussed how a meteoroid becomes a meteor when it enters Earth's atmosphere and burns up. "천문학 클럽은 유성체가 지구 대기권에 진입하여 타면서 어떻게 유성이 되는지 논의했다.astronomyspacescienceChat with AIVocabulary GamePractice Reading
