Create Postive Future -- Negate Bad Past / Transit

1. Worshipping Lord Rahu (North Node of the moon)http://www.howisyourdaytoday.com/articles/mantras/mantrrah.htm ushers in the doorway to positive future.
2. "Ketu (South Node of the moon) is known as the 'inlet point' for past life karmas." Worshiping it Negates Bad Past http://www.howisyourdaytoday.com/articles/mantras/mantrket.htm