Navagraha

Nine (nava) Planets (graha)

Surya – Sun, married with Samjna and Chaya, shadow.
Chandra – Moon, married with Daksha’s 27 daughters, the nakshatras.
Budha – Mercury, married with Ila.
Sani – Saturn, married with Nila and Manda.
Brihaspati – Jupiter, preceptor of the Gods, married with Tara.
Mangala – Mars, married with Mangalá.
Shukra – Venus, preceptor of the demons, married with Sukirti and Urjasvati.
Rahuthe ascending lunar node, head of a demon, married with Simhi.
Ketuthe descending lunar node, body of a demon, married with Chitraleka.

Rahu and Ketu were the demon Svarbhanu, before Vishnu beheaded him.

In Tamil Nadu the Navagraha are worshiped separately on nine places.