Astronomical Observatory

Jantar Mantar, a UNESCO World Heritage Site and one of India's most renowned astronomical observatories, was built in 1724 by Maharaja Jai Singh II to create precise astronomical tables and predict celestial movements. Constructed with advanced instruments (yantras) based on mathematical formulas (mantars), it played a pivotal role in early modern astronomy before being rendered obsolete by urban development. Though no longer used for scientific purposes, its historical significance as a testament to 18th-century Indian astronomical innovation remains unparalleled. The site's preservation highlights the intersection of science, architecture, and cultural heritage, drawing millions of visitors annually.

Khanna, M. (2014). Astronomical Observatory. Opticon1826, 0(16). https://doi.org/10.5334/opt.bm