How do you press a sphere flat onto a screen?

I wrote an interactive article exploring stereographic & orthographic projections; the math ancient astronomers used, now in TypeScript with draggable demos.

Part 3 of my starplot series converting a Python star charting lib to JavaScript.

🔗 https://ideable.dev/starplot/03-projections.html

#JavaScript #Astronomy #TypeScript #WebDev #DataViz #Tutorial #InteractiveWeb