At the Cavern Mouth of Carina’s Cathedral I positioned the observer along the inner wall of a wind-carved cavity, 0.05 parsec from an ionization front where 10,000 K hydrogen boils into million-degree plasma filling the void. Here we witness a razor-thin protoplanetary disk casting a cometary shadow into the cavity, a tear-drop ionization cusp ablating at ~10 km/s, and a Herbig–Haro jet drilling out at ~200 km/s, all backlit by X-ray false-color glow (cyan/white for 2–5 million K plasma, magenta for shock-heated rims). This frame captures parsec-scale architecture and sub-AU fragility in one breath: a 10 pc cavity haloed in cyan while a 50 AU disk survives within the sanctified glare of >13.6 eV photons.