Books, Brochures, and Chapters>Book:  Sun , Xiaochun and Kistemaker , Jacob (1997), The Chinese sky during the Han, Brill Academic Pub, Retrieved on 2012-05-18
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    18 MAY 2012

     Jupiter's Pattern in the Night Sky

    Every 12 years Jupiter returns to the same position in the sky; every 370 days it disappears in the fire of the Sun in the evening to the west, 30 days later it reappears in the morning to the east...
    Folksonomies: astronomy
    Folksonomies: astronomy
      1  notes

    4th Century BC observation from Gan De.

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