2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/141991Numerical simulations of strongly compressible MHD corresponding to a stellar atmosphere with substantial gravity and near force-free magnetic fields show that the current sheet collapses (its width decreasing substantially). As a result, the reconnection rate increases dramatically.24 pages 10 figures, typos correctedAstrophysicstext