Ketu - South Node of the Moon vishnu Ganesha's association with mental agility

Ganesha's association with mental agility and learning is one reason he is shown as scribe for Vyāsa's dictation of the Mahabharata in this interpolation

and 'abhayamudra'

illustrating her role as a dispenser of wealth and material prosperity

with one in the mode of bestowing knowledge

appropriate to the mythological figure it represents

Ketu - South Node of the Moon vishnu Ganesha's association with mental agilityKetu is the descending lunar node in Vedic, or Hindu astrology. Rahu and Ketu are points in space where there is occurrence of eclipses. They are not physical planets which can reflect light. Rahu and Ketu are also referred to as shadow planets. They are points on the ecliptic where the Moon is in alignment with the Sun and the Earth. They indicate the precise point of the harmony with the three most important influences in our life the Sun, the Earth