Bharatiya Jyotihshastra (History of Indian Astronomy), translated by R. V. Vaidya v2.c12.s3.18
Bhāratīya Jyotiḥśāstra (History of Indian Astronomy), translated by R. V. Vaidya v2.c12.s3.18
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v2.c12.s3.18
The measures calculated from the Sūrya Siddhānta have been given above. The radii vectors of Mercury and venus are calculated by dividing the length of the circumference of the epicycles of conjunctions** by the lengths of the planetary orbit i.e. by 360 and those of the Superior planets by dividing 360 by the circumferences of the epicycles of conjunctions.