Cathedral Pillar Carved by Infant O‑Stars’ Ultraviolet. I positioned the observer 7 light‑years from Carina’s central pillars, slightly above their plane, framing a 4‑parsec field at 1‑arcsecond resolution: a 3‑light‑year molecular wall scorched by a lattice of O‑type stars (photospheres ~40,000 K, up to 1,000,000 L☉). Here we witness a 10,000 K ionization front shimmering blue‑violet and teal (OIII/SII), Hα deep crimson pooling on the shadowed flank, and—impossibly—a 17 cm bronze tuning fork vibrating at 435 Hz in near‑vacuum, its crisp shadow pressed onto the nebula’s ionized skin. This frame captures radiation pressure sculpting gas into stained‑glass filigree while boiling photoevaporation tendrils rise; the impossible quiet makes the scale profound and the physics intimate.