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Brahmagupta Rejects Earth's Rotation

628 CE · Late Antiquity
AstronomyPhysics/Cosmology

In his astronomical treatise Brahmasphutasiddhanta, completed in 628 CE, Indian astronomer Brahmagupta criticized Aryabhata's theory that Earth rotates on its axis. Brahmagupta supported the view that apparent daily motion of stars and planets resulted from their revolution around a static Earth. His critique, alongside similar criticism from Varahamihira, influenced later followers of Aryabhata's school to reject the rotation theory, contributing to its decline in Indian astronomy. This debate constituted one of the earliest documented scientific controversies about planetary motion in Indian astronomical tradition.

Key Figures

BrahmaguptaAryabhataVarahamihira

Locations

Ujjain

Topics

astronomyheliocentrismgeocentrismscientific controversy

Connected Events — 1 Connection

Brahmagupta's 628 CE Brahmasphutasiddhanta explicitly rejected Aryabhata's rotation hypothesis from 499 CE, arguing instead for a stationary Earth — a debate not settled for another millennium Aryabhata Describes Earth's Rotation
499 CE · Astronomy · Classical Antiquity
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