YiDian DigiT

YiDian DigiT is a “Historical Astronomy” study tool for learners of traditional Chinese culture and the history of astronomy. An interactive 3D celestial sky shows traditional asterisms, the Twenty-Eight Mansions, and the classic luminaries; scrub time to see how the sky changes. The app highlights recent and yearly notable geometric sky events (conjunctions, multi-planet gatherings, mansion ingress, and more), and offers term notes plus short classic-style excerpts for side-by-side study. Differentiator — Classics Lookup (典籍稽考): starting from mansions, star names, and observational terms (ingress, station, conjunction, etc.), use AI-assisted lookup to retrieve brief observational / chronicle-style excerpts so you can match what you see on the sky map with how historical astronomical writings describe it (for study and comparison—not prediction). Key features: • 3D celestial sky:…