The” nine planets “(navagrahas) they talked about were sun, moon, mercury, venus, mars, jupiter, saturn, rahu and ketu. the first two are not planets, the next five are planets, and the last two are the ascending and descending lunar nodes. navagraha are considered to play a major role deciding the destiny of man. it is believed that these nine planetary deities influence human lives and is responsible for all good or bad times, one faces in life. kumbakonam is a temple town with many hindu temples located in and around it. majority of the temples are dedicated to lord vishnu and lord shiva. 12 shiva temples are connected with mahamaham festival which happens once in 12 years in kumbakonam.