गोलाध्यायः · Chapter Overview
From The Siddhānta Śiromaṇi, taught by Acharya T Krishnatrey. This lesson is free to read.
<pre data-block="statement">What this book covers | The Golādhyāya is Book 4 — "the sphere." Its Bhuvanakośa ("cosmography") argues, verse by verse, that the Earth is a round globe hanging unsupported in space, that beings stand on it from every side, that no chain of "supporters" is needed — and, in its crowning verse, that the Earth holds things by its own force of attraction (ākṛṣṭi-śakti): gravity, some five centuries before Newton. It also treats spherical trigonometry, seasons, eclipses and instruments.</pre>