https://esahubble.org/images/heic1219a/zoomable/
High-redshift galaxy candidates in the Hubble Ultra Deep Field 2012
hubble ultra deepin thehighredshiftgalaxy
https://mysteriousuniverse.org/2021/06/the-redshift-controversy-halton-arps-peculiar-galaxies-and-the-quasar-conundrum/
The Redshift Controversy: Halton Arp’s Peculiar Galaxies and the Quasar Conundrum
Halton Christian Arp was an American astronomer quite unlike any other. His lifetime of work cataloging astronomical curiosities
the redshiftpeculiar galaxiescontroversyhaltonquasar
https://pure.psu.edu/en/publications/modelling-the-redshift-space-three-point-correlation-function-in-/
Modelling the redshift-space three-point correlation function in SDSS-III - Penn State
the redshiftthree pointcorrelation functionpenn statemodelling