2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/6214Condensation in the outer regions of decaying supernovae is an efficient source of dust with grain size up to 1 micron. The largest grains leave the parent galaxy, thus forming "grey" intergalactic dust, which can explain the observed dimming of light from distant supernovae without invoking cosmic acceleration6 pagesAstrophysicstext