Is that merging
Is the galaxy in the middle merging with the blue thing
by Budgieye moderator
Umm...., I don't think merger. I'm not sure if the two objects are related.
For info, see
8.3 asteroids, ice worlds, Planet Nine https://talk.galaxyzoo.org/#/boards/BGZ0000001/discussions/DGZ0000wrb?page=8