Astronomical instrument of Archimedes.pdf - Astronomical...

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Astronomical instrument Archimedes analyzed the astronomical measurement results of the earth, the sun and the moon in SandReckoner, as well as the cosmic heliocentric model of Aristarchus. Despite the lack of a trigonometric chord table, Archimedes described the procedures and instruments used to make observations (straight rods with pins or grooves), [66] [67] applying correction factors to these measurements, and finally The results are given in tabular form, considering the upper and lower limits of the observation error. [26] Ptolemy quoted Hipparchus and also mentioned Archimedes' observation of the solstice in astronomy. This will make Archimedes the first known Greek to record multiple solstice dates and times in consecutive years. [27] Cicero briefly mentions Archimedes in his dialogue "De re publica", which depicts a fictitious dialogue that took place in 129 BC. C. After the occupation of Syracuse c. 212 one. C. According to legend,
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