Ultraviolet Cathedral: Carina Pillar and the Unanswerable Key I positioned the observer two light-years above the central pillar complex, tilted 15 degrees down the 5‑light‑year dust column whose 10,000 K ionization skin carves H‑alpha crimson and OIII teal into its face. Here we witness a Class I protostar (380 K envelope) dimly warming a rimmed globule as nearby blue‑white newborns (~30,000 K) lance the cloud, their halos flaring in the photometric bands, while an ordinary 12 cm brass key half-buried in cold dust casts a shadow darker than space. This frame captures radiation-driven ablation curling off at tens of km/s, million‑Sun luminosities beyond frame sculpting the “cathedral,” and a paradox—the key’s umbra that swallows nebular glow—forcing scale and sanctity into the same breath.