The ocean, that was excellent abode of the Danavas, was made to be the other axle of the car; as also the body of the seven Rishis became the protectors of the wheels of that car.
समुद्रमक्षमसृजन् दानवालयमुत्तमम्। सप्तर्षिमण्डलं चैवरथस्यासीत् परिष्करः॥