Beijing Planetarium (tiān wén guǎn 天文馆) is a national leader in public astronomy (tiān wén xué 天文学), a beloved civic visiting place, and one of Beijing’s most popular attractions. It contains two parts: Beijing Planetarium and Beijing Ancient Observatory. Beijing Planetarium consists of new building and the old Planetarium. The new facility has several exciting parts: Digital space theater, 3D theater, 4D theater, exhibition hall, two observatories. After 50 years of public use by roughly 18 million visitors, it’s under rebuilding and will be reopened in March 2008. There are a planetarium and two exhibition galleries in old Planetarium. Beijing Planetarium is one of the powerful planetaria in the world. It has made great contributions to popularize astronomy.

Beijing Planetarium
Address: No.138 Xizhimenwai Street (xī zhí mén wài dà jiē 西直门外大街), Beijing 100044
Tel: +86 10 68312570

Beijing Ancient Observatory
Address: No2.Dongbiaobei Hutong, Beijing China 100005
Tel: +86 10 65242202

Explanation:
1.Special groups are who own Old-age card, Military officer certificate, Soldier's certificate, Disable and sick certificate (Not include Adult education, Continue to educate, Graduate student).
2.The total number of the people who want to buy group tickets must be above fifty. Group tickets aren't sold on weekends and holidays. The telephone number to book group tickets is 88361004
3.Above all are the prices during the running-in .
4.Group (above fifty persons)