History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c38.s1.t2.3
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c38.s1.t2.3
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v1.c38.s1.t2.3
Earth’s circumference, as per this *sukta* remains one *aṅgula* below that of the *Puruṣa* sphere of radius of 1 *aratni*. Hence Earth’s circumference = 24/25 × 4×10⁹ = 96×4×10⁷ *aṅg* = 4×10⁷ *daṇḍas*. The astronomical texts give the circumference of the Earth mostly as 5000 *yojanas*