79 ⟶ Zhang Heng's Contributions to Science
Zhang Heng, Chinese mathematician, astronomer, inventor, and...Year
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☀️ Solar Eclipse Observed During King Yih of Zhou's Reign
The first year of King Yih of Zhou's reign is marked by a solar eclipse.⟶

Zhou DynastyAstronomySolar EclipseRoyal CourtCosmologyObservation

☄️ Chinese Observation of Halley's Comet
On May 15, Chinese mathematicians observed and recorded the passage of the Halley's Comet.⟶

AstronomyCometsObservationMathematicsCelestial BodiesZhou Dynasty

🧑🏫 Wang Chong's Birth
Wang Chong, Chinese astronomer and philosopher (d. AD 100)⟶

Han DynastyPhilosophyAstronomyCosmologyAncient Philosophy

🔭 Zhang Heng's Contributions to Science
Zhang Heng, Chinese mathematician, astronomer, inventor, and statesman (d. 139)⟶

AstronomyMathematicsHan DynastyZhang HengCosmology

⚙️ Zhang Heng invents the Water-Powered Armillary Sphere
Zhang Heng of China invents the world's first water-powered armillary sphere.⟶

AstronomyZhang HengHan Dynasty
