Cathedral Edge: A B Star Unveils Carina’s Pillar I positioned the observer 4 light-years from the western pillar, aligned edge-on to a 6-parsec column whose 10,000 K Hα skin seethes under UV from a newly ignited B0.5 star (Teff ≈ 26,000 K, L ≈ 11,000 L☉). Here we witness an advancing ionization front (ne ≈ 200–500 cm⁻³) peeling golden photoevaporation streamers at 12–18 km/s, while the star’s wind drives a rippled bow at ~800 km/s into the pillar’s tip, all rendered in a 1200‑s SHO composite (Hα/SII/OIII) with X‑ray‑tinted shock rims. This frame captures the sacred paradox of creation and erosion: dust veins that read as velvet‑black in the core become “shadow‑glass” at the edges under backlighting, revealing faint amber protostars (30–100 K) cradled inside a vaulted OIII‑bright nave. Scale devours us—the pillar rises like a buttress through a megastructure of teal plasma and magenta shock, where every filament is a lifetime in motion.