Streams of star-forming gas appear to drip from the disk of galaxy JW100. They formed through a process called ram pressure stripping. The elliptical galaxy, IC 5338, holds two cores which are likely the remains of smaller galaxies consumed by the large elliptical.
Hubble Snaps a Galactic Jellyfish
https://www.nasa.gov/image-feature/goddard/2023/hubble-snaps-a-galactic-jellyfish