https://arxiv.org/abs/1912.00655
Abstract page for arXiv paper 1912.00655: Probing the azimuthal environment of galaxies around clusters. From cluster core to cosmic filaments
probingazimuthalenvironmentgalaxiesaround
https://www.arxiv.org/abs/astro-ph/9804240
Abstract page for arXiv paper astro-ph/9804240: Spectral gradients in central cluster galaxies: further evidence of star formation in cooling flows
cluster galaxiesastrophspectralgradients
https://www.space.com/astronomy/galaxies/these-2-galaxies-are-falling-into-the-virgo-cluster-at-a-staggering-rate-of-547-miles-per-second
Two galaxies connected by a bridge of hydrogen gas are falling into the Virgo Cluster.
the virgogalaxiesfallingcluster