<s>[INST] What are the nine planets used in Tamil astrology?. [/INST] Sooriyan is also known as Sun , Chandran is also known as Moon,Guru is also known as Jupiter,Sevvai is also known as Mars,Pudhan is also known as Mercury,Sukran is also known as Venus,Sani is also known as Saturn,Raahu is also known as Raghu (ascending lunar node),Kethu is also known as Kethu (descending lunar node) </s>