| Liu Hsin |
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His name is also translated as Liu Xin. During the Han Dynasty he created a new astronomical system, called "Triple Concordance". He published this system in the year 25 as section of his textbook. In it he provided the following periods:
Therefore his number of days in one year was 365.25016, which is 11 Minute s longer than the current value. He also created a catalog of 1080 Star s, where he used the scale of 6 Magnitude s. He also calculated periods for Planet s. A Crater on Mars was named in his honor. |
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