- Gan De, a Chinese astronomer. He was born around 400 BCE.
31 dezembro 2017
"Every 12 years Jupiter returns to the same position in the sky; every 370 days it disappears in the..."
“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 …”
- Gan De, a Chinese astronomer. He was born around 400 BCE.
- Gan De, a Chinese astronomer. He was born around 400 BCE.
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