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Beijing Sights

Ancient Observatory (Bìijîng gǔguânxiàng tái)

  • 2 Dongbiaobei Hutong Map It
  • Chaoyang District
  • Observatory/Planetarium

Updated 08/29/2014

Fodor's Review

This squat tower of primitive stargazing equipment peeks out next to the elevated highways of the Second Ring Road. It dates to the time of Genghis Khan, who believed that his fortunes could be read in the stars. Many of the bronze devices on display were gifts from Jesuit missionaries who arrived in Beijing and shortly thereafter ensconced themselves as the Ming court's resident stargazers. To China's imperial rulers, interpreting the heavens was key to holding onto power;

a ruler knew when, say, an eclipse would occur, or he could predict the best time to plant crops. Celestial phenomena like eclipses and comets were believed to portend change; if left unheeded they might cost an emperor his legitimacy—his mandate of heaven. Records of celestial observations at or near this site go back more than 500 years, making this the longest documented astronomical viewing site in the world.

The main astronomical devices are arranged on the roof. Writhing bronze dragon sculptures adorn some of the astronomy pieces at Jianguo Tower, the main building that houses the observatory. Among the sculptures are an armillary sphere to pinpoint the position of heavenly bodies and a sextant to measure angular distances between stars, along with a celestial globe. Inside, the dusty exhibition rooms shelter ancient star maps with information dating back to the Tang Dynasty. A Ming Dynasty star map and ancient charts are also on display. Most of the ancient instruments were looted by the Allied Forces in 1900, during the Boxer Rebellion, only to be returned to China at the end of World War I.

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Sight Information


2 Dongbiaobei Hutong, Jianguomenwai Dajie, Beijing, 100005, China

Map It



Sight Details:

  • Y20
  • Tues.-Sun. 9–4

Updated 08/29/2014


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