Page 59 - 89 history of astronomy_opt
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bit revolves just once round the pole of the
ecliptic, and for this reason the eclipses in
one cycle are repeated with very slight mod-
ification in the next cycle, and so on for
many centuries.
It may be that the neglect of their du-
ties by Hi and Ho, and their punishment,
influenced Chinese astronomy; or that the
succeeding records have not been available
59
