The best college of Nanjing University is the College of Astronomy Department of Nantah. Nantah Astronomical College ranks first in the national specialty and is recognized by the whole country. Founded in March, 20 1 1, Nantah Astronomy College is the oldest astronomy major in China, the cradle of top astronomy talents in China, and the only first-class key discipline in China, so the best college in Nanjing University is Nantah Astronomy College.