2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/3834This paper discusses several most intruigung astrophysical implications connected with the possible absolute stability of strange quark matter.This is followed by a discussion of two astrophysical signals that may point at the existence of quark matter in both isolated neutron stars as well as in neutron stars in low-mass x-ray binaries (LMXBs).Paper presented at the int. conference "Compact Stars in the QCD Phase Diagram", held in Copenhagen (NORDITA - Niels Bohr Institute), August 15-18, 2001; organized by Rachid Ouyed and Francesco Sannino; (12 pages, 6 figures)Astrophysicstext