White Dwarfs, Neutron Stars, and Black Holes,How Stars Die: White Dwarfs, Neutron Stars & Black Holes Explained!,Two neutron stars can also merge into one neutron star, if the final mass is small enough. The same for two white dwarfs, that may lead to a white dwarf rather than,Chandra :: Chronicles :: On Black Hole-ness :: August 8, 2007,Overweight' neutron star defies a black hole theory, say astronomers | Black holes | The Guardian