Surya Siddhanta
भचक्रम् ध्रुवयोर् बद्धम् आक्षिप्तम् प्रवहानिलैः। पर्येत्य् अजस्रम् तन्नद्धा ग्रहकक्षा यथाक्रमम्॥
The circle of asterisnis, bound at the two poles, impelled by the provector (pravaha) winds, revolves eternally : attached to that are the orbits of the planets, in their order.
english translation