2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35519A one-fold infinity of explicit quasi-stationary regular line elements for the Schwarzschild geometry is obtained directly from the vacuum Einstein equations. The class includes the familiar Eddington-Finkelstein coordinates, and the coordinates discussed recently by Kraus and Wilczek.2 pages, LaTeXGeneral Relativity and Quantum Cosmologytext