Some 30 years ago very few scientists
thought that black holes may really exist.
Attention focussed on the black hole hypothesis
after neutron stars had been discovered. It was
rather surprising that astrophysicists immediately
‘welcomed’ black holes. They found their place not
only in the remnants of supernova explosions but
also in the nuclei of galaxies and
quasars.
I report about the unification of relativistic jets from compact objects. The mass range is between 1.4 and 10 billion solar masses (i.e. from neutron stars to supermassive black holes in galaxies).
Stuart L. Shapiro and Saul A. Tuekolsky, Black Holes, White Dwarfs, and Neutron Stars, John Wiley & Sons, New York1983, 646 pages.
