Book Title: Jain Philosophy and Modern Science
Author(s): Nagrajmuni
Publisher: Anuvrat Samiti

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Page 197
________________ ROTATION OF EARTH 181 The conclusion, therefore, is that mathematical difficulues arise in assuming the earth to be fixed and the sun to be moving, while there are mathematical conveniences in assuming the sun to be fixed and the earth to be moving In other words the emphasis on the earth's motion is only for the sake of a mathematical convenience. Those who are interested in mathematics know that there is not much difference in the ancient planetary orbits and the modern planetary orbits. In the Indian and ancient occidental systems, the earth is in the centre, while the moon, the mercury, the venus, the sun, the mars, the jupiter and the saturn rotate round the earth in their respective orbits Ear Freon Mercury Venus un Mars Almost all ancient mathematicians, are of this opinion The solar system, in which the sun is in the centre, is like this: The sun in the centre, while the mercury the Venus, the Earth, the Mars, the Jupiter and the Saturn farther away respectively from the Sun. These six are the other planets. The Moon is not a planet •

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