Science Fair Project Encyclopedia
Timeline of Chinese astronomy
- 2137 BC - Chinese book 书经 records the earliest known solar eclipse on October 22.
- ca. 2000 BC - Chinese determine that Jupiter needs 12 years to complete one revolution of its orbit.
- ca. 1400 BC - Chinese record the regularity of solar and lunar eclipses and the earliest known solar variation日珥.
- ca. 1200 BC - Chinese divide the sky into twenty eight regions 二十八宿 for recognitions of the stars.
- ca. 1100 BC - Chinese first determine the spring equinox 黄赤交角.
- 776 BC - Chinese make the earliest reliably record of solar eclipse.
- 687 - Chinese make earliest known record of meteor shower.
- 1054 - On July 4th, Chinese astronomers noted the appearance of a guest star, the supernova now called the Crab Nebula, Messier's M1.
Last updated: 06-05-2005 12:56:23
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details