3 ms·
It may also precess, so that the axis of rotation is changing with time. Previous galactic collisions may also have caused two holes to merge into this one, wit
by queuebert 4y ago
It may also precess, so that the axis of rotation is changing with time. Previous galactic collisions may also have caused two holes to merge into this one, with a net spin not orthogonal to the Galactic plane.