• DOI:10.1111/j.1749-6632.1987.tb37224.x
Corpus ID: 222087224

The Heliocentric System in Greek, Persian and Hindu Astronomy

@article{Waerden1987TheHS,
  title={The Heliocentric System in Greek, Persian and Hindu Astronomy},
  author={B. L. van der Waerden},
  journal={Annals of the New York Academy of Sciences},
  year={1987},
  volume={500}
}

B. L. van der Waerden

Published 1987

Annals of the New York Academy of Sciences

N THE YEARS 295-283 B.c., Timocharis observed positions of the moon and I of Venus with respect to the fixed stars.’ About 280 B.c., Aristarchos of Samos proposed the heliocentric hypothesis.2 At about the same time, a man named Dionysios established an astronomical calendar based on the assumption of a tropical year of 365 y4 days3 An anonymous observer used this calendar to date his observations of Mercury, Mars, and Jupiter made in the years 270-239 B.c .~ The observations of Timocharis and… CONTINUE READING

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