Wife of Brihaspati.
She had a relationship with Chandra, the moon. Their son was Budha, Mercury.
Read about Tara’s adultery
http://utkarshspeak.blogspot.com/2014/03/chandra-tara-adultery-part-1.html
http://utkarshspeak.blogspot.com/2014/03/chandra-tara-adultery-concluding-part.html