[RenRav]

What kind of movement is it?

Calling it a web of filaments doesn't paint a clear picture as to the movement itself.

Assuming it's synchronized, I think of child objects moving in sync with some kind of parent structure. That sounds ridiculous though.

[simonh]

I don't understand why you think it's ridiculous for child objects, which formed within a structure, to reflect characteristics of that structure.

The movements described in the article are mainly alignment and direction of axial rotation.