Herbig Haro Bow shocks seem to be Dark Matter Black Holes of different physics.

Herbig Haro Bow shocks seem to be different they are really new physics fermion repelling black holes. see also: "The Magic Fermion Repelling Stringy Fuzzball Black Hole, the origin of a Cyclic Raspberry Multiverse."

https://vixra.org/pdf/1909.0417v2.pdf

also: https://bigbang-entanglement.blogspot.com/2020/07/first-publication-of-herbig-haro-dark.html

First poublication in Halton Arp's book Seeing Red.

see also: Two early symmetric Hotspots SNLS 03D3bb : http://online.kitp.ucsb.edu/online/snovae-c07/howell/pdf/Howell_SnovaeConf_KITP.pdf