Most massive neutron star ever detected, almost too massive to exist Naftali Hirschl, PhD. Allgemein, Innovation & Forschung 18.09.2019 1 Minute Neutron stars - the compressed remains of massive stars gone supernova - are the densest "normal" objects in the known universe. (Black holes are technically denser, but far from normal.) Just a single sugar-cube worth of neutron-star m... Please register here, or login below. Username or E-mail Password Remember Me Forgot Password Published by Naftali Hirschl, PhD. View all posts by Naftali Hirschl, PhD. Published 18.09.2019