The gravitational interaction has also resulted in the formation of filamentary structures in the group. (constellation-guide.com)
On the largest scales, matter in the Universe is arranged in a vast network of filamentary structures known as the «cosmic web», its tangled strands spanning hundreds of millions of light - years. (keckobservatory.org)
Williams, of Cardiff University, explains: «We've known for some time that dusty, filamentary cloud structures are ubiquitous in the Milky Way's interstellar medium. (sciencedaily.com)