The Positive Sciences of the Ancient Hindus c5.s8: Section 8. Relative Motion

c5.s8.2

The phenomenon is noticed among the hallucinations of sense (नाव्यारुढाश्व गच्छतः पर्वतादीनि विजानन्ति अभ्रेश भ्रमत्तश्च तान्—Kumârila, Śloka-Vârtika, p. 520). Astronomers like Âryabhata and Lalla, who believed in the diurnal revolution of the earth from the west to the east, explained the apparent revolution of the starry heavens in the opposite direction by the principle of relative motion.