Ìwé tí Copernicus kọ yìí ni wọ́n pè ní On the Revolutions of the Heavenly Spheres ( Bí Àwọn Pílánẹ́ẹ̀tì Ṣe Ń Yí Po ) .
Iwe ti Copernicus ko yii ni won pe ni On the Revolutions of the Heavenly Spheres ( Bi Awon Pilaneeti Se N Yi Po ) .