Geology & Earth Science
δ¹⁸O Ice-Core Climate Proxy
Milankovitch 100 / 41 / 23 kyr cycles

Oxygen-isotope ratios in an ice core reconstruct past temperature, ringing with the orbital eccentricity, obliquity and precession cycles.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).