In this talk, I maintain that many published statements of modern astrophysics are inconsistent, and even wrong. In summary, I will (try to) prove the following 4 claims:
1) There are no black holes (BHs) in our Universe, neither of stellar mass, nor supermassive ones (SMBHs), nor of any other mass.
2) The gravitational-wave signals (GWs) detected since 2015 were all emitted by fusing binary neutron stars.
3) Almost all `loud' received electromagnetic signals were emitted by nearby (Galactic) sources, not by sources at cosmological distances; such as the gamma-ray bursts (GRBs), and the fast radio bursts (FRBs). An exception to `nearby loud GRBs' is the short gamma-ray signal of GW170817, with its (large) emission distance of 40 Mpc, and its gigantic formation energy (of 2 merging neutron stars).
4) Astrophysics deals with `inorganic machines'; it is often not easy to model these machines correctly.