Lunar Terminator Paradox

Dima Kogan Tags Archives RSS Github Home / Notes /2026 /09 /Lunar terminator paradox 27 Sep 2026 Lunar terminator paradox Previous: Simple gpx export from ridewithgps  There's an optical illusion known by names like the "lunar terminator paradox". This has much discussion and descriptions online, but none made sense in my head, so I wrote this program to figure out what was going on. The paradox: The moon is illuminated by the sun After sunset, the sun is below, so we would expect the