etena hi divo maṇḍala-mānaṁ tad-vida upadiśanti yathā dvi-dalayor niṣpāvādīnāṁ te antareṇāntarikṣaṁ tad-ubhaya-sandhitam.

etena-by this estimation; hi-indeed; divah-of the upper planetary system; mandala-manam-the measurement of the globe; tat-vidah-the experts who know about it; upadisanti-instruct; yatha-just as; dvi-dalayoh-in the two halves; nispava-adinam-of grain such as wheat; te-of the two divisions; antarena-in the intervening space; antariksam-the sky or outer space; tat-by the two; ubhaya-on both sides; sandhitam-where the two parts join.