2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/6899We are studying the properties of the holes and the high velocity gas in NGC 6946. Here we present some puzzling results.2 pages, 1 figure, to appear in the ASP proceedings of IAU Symposium 217, "Recycling intergalactic and interstellar matter", eds. Pierre-Alain Duc, Jonathan Braine, Elias BrinksAstrophysicstext