Ionization Arches in a Birth-Cloud Cathedral. I positioned the observer 0.02 parsecs from a Carina pillar’s sunward rim, where a 30 K molecular core (H2+CO+dust) meets a 10,000 K H II skin glowing at H‑alpha (656.3 nm) and OIII (500.7 nm). Here we witness a nascent O‑type star (38,000 K, ~400,000 L☉) casting fanlike beams that carve pearly shock rims and cathedral-long shadows, while the pillar’s EGGs ablate into cometary flows. A solitary clear glass marble beads with condensation and bends the starfield into rainbow caustics—an intimate, impossible anchor within a nebular nave whose scale and silence transcend human measure.