天上的启示：时间与位置（印度贾普洱天像台与皇宫） Clues From The Sky:Identify The Time and Location Influenced by the Islamic school of astronomy,between 1727 and 1734 Maharajah Jai Singh ll of Jaipur,India,constructed five astronomical observatories.He incorporated elements from early Greek and Persian observatories,but the instruments of the Jantar Mantar are more complex,or at a much greater scale than any that had come before,and some are completely unique. Jantar Mantar:Ancient Astronomical Observatories of Jaipur,India -A story of learning from others for a better understanding of nature9 Jantar Mantar: Ancient Astronomical Observatories of Jaipur, India - A story of learning from others for a better understanding of nature Influenced by the Islamic school of astronomy, between 1727 and 1734 Maharajah Jai Singh II of Jaipur, India, constructed five astronomical observatories. He incorporated elements from early Greek and Persian observatories, but the instruments of the Jantar Mantar are more complex, or at a much greater scale than any that had come before, and some are completely unique. 天上的启示：时间与位置 （印度贾普洱天像台与皇宫） Clues From The Sky: Identify The Time and Location