Cathedral Edge: O‑star Hollows the Carina Pillars I positioned the observer 6 light‑years from Carina’s heart, through a one‑degree optical window framing three 2‑parsec pillars of 40–60 K molecular gas. Here we witness a 38,000 K O‑type star (~4×10^5 L☉) inflating a 10,000 K H II blister whose rim glows in H‑alpha deep crimson and OIII soft cyan, while photoevaporative streamers peel away at ~10 km/s from the foremost cliff. This frame captures embedded 1500 K protostars as ember‑warm knots and the breathing edge of the ionization front, where radiation pressure sculpts stone‑textured dust into sanctuaries of light against vast negative space.