The Han Dynasty's Moon Landing: How Zhang Heng Explained the Cosmos
Before Galileo, before Copernicus, a Han Dynasty astronomer named Zhang Heng mapped the heavens with astonishing accuracy. In this episode, Lucas and Luna explore how Zhang Heng built the first armillary sphere powered by water, invented the world's first seismoscope, and theorized that the moon does not produce its own light but reflects the sun. They discuss his cosmic model of a spherical universe centered on a flat earth, the political intrigue at the Han court that nearly silenced him, and how his writings in the 'Hou Han Shu' reveal a scientific mind centuries ahead of its time. From the imperial observatory in Luoyang to the eclipse records that shaped Chinese astronomy, this episode uncovers a forgotten pioneer whose ideas challenge our assumptions about ancient science.
#ZhangHeng #HanDynasty #ChineseAstronomy #Seismoscope #ArmillarySphere #HistoryOfScience #Luoyang #HouHanShu #Eclipses #AncientCosmology #ScienceBeforeGalileo #MoonReflection #EmperorAn #EasternHan #ChineseInventions #History #FexingoHistory #EastAsia
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