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Dante's Cosmology was based on the Ptolemaic Universe, geocentric.
Later the Copernican Universe modified it and the Helio centric Universe was generally accepted.
In the West, the Tychonic Univerae, a Helio Geo System, advanced by Tycho Brahe, was generally accepted.
In th East, the Neelakandan Universe, was pioneered by the Kerala mathematician, Neelakantan Somayaji.
Heliocentric derives from Helios , which in turn is derived from the Sanskrit Heli, Heli Soorya Chandrama Sheeta Rashmi.
