New Theories / Re: Gravitational Arm« on: 16/11/2022 06:05:05 »
However, once one spiral arm had been frozen by gravity force to the other galaxy
It isn't. Gravity isn't freezing anything in place here. It's like saying something in free fall is frozen in place. It's not. This tidal tail is a temporary structure.
The following users thanked this post: pzkpfw