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天文学是一门以观测为主的科学,是研究宇宙中天体和天体系统的形成、结构、活动和演化的科学。它既散发着古老的气息,又沐浴着当代高科技的阳光。从我们的祖先
Astronomy is an observation-based science, a science that studies the formation, structure, activity and evolution of the system of celestial bodies and celestial bodies in the universe. It exudes the ancient atmosphere, but also bathed in the sunshine of today’s high-tech. From our ancestors