Leveraging the free advantage of professional observatories, we offer a variety of astronomy popular science resources (the fourth value-added service).

Leveraging the advantages of a professional observatory, we offer a variety of astronomy educational resources. 1. Regular and irregularly release significant astronomical phenomena and provide relevant information. Offer releases of major astronomical events and organization of astronomical activities. 2. Visit and learn at the cradle of modern Chinese astronomy, the Purple Mountain Observatory of the Chinese Academy of Sciences. 3. Participate in various astronomy popular science activities organized by astronomical institutions (major astronomical phenomenon observation events, astronomy summer camps, and astronomy knowledge competitions).