What physical process transforms spiral galaxies as they move inward toward the Coma Cluster's harsh environment?

Answer

Ram-pressure stripping

As spiral galaxies venture inward, the hot, diffuse intracluster medium strips away their interstellar gas, a process known as ram-pressure stripping.

What physical process transforms spiral galaxies as they move inward toward the Coma Cluster's harsh environment?
Spaceastronomygalaxy clusterComa ClusterCoordinatesGalactic Coordinates