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Ancient knife proves longer astronomical history

Posted: 3/13/2005 12:00:00 AM   Reads: 112   Submitted By:clayroy   Category: Ancient Technology   Source: news.xinhuanet.com
XINING, (Xinhuanet) -- Archaeologists in northwest China’s Qinghai province claimed that a 5,000-year-old stone knife with designs of constellations will extend China’s history of astronomical observation by 1,000 years.
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