Comment by rfgplk

Galaxium can't run in this browser Galaxium uses WebGPU, a recent browser technology that isn't available or enabled here. It works in up-to-date versions of Chrome, Edge, Safari (macOS 26+) and Firefox, on a computer with hardware graphics.

In the meantime, you can explore the night sky at stellarium-web.org — it runs in any browser.

You borked it.