4 ms·
> The difference is that while the dark matter halo almost certainly has has net angular momentum, individual DM particles would not be coupled to the galaxy’s
by codethief 2y ago
> The difference is that while the dark matter halo almost certainly has has net angular momentum, individual DM particles would not be coupled to the galaxy’s rotation to any meaningful degree
Does this take into account frame-dragging induced rotation?
- Sharlin 2y agoSpacetime is essentially flat on a galactic level for any general-relativity purposes. I'm pretty sure you can safely ignore frame-dragging here.