Questions for “Cosmic filaments may have the biggest spin in outer space”
![illustration of a cosmic filament](https://www.snexplores.org/wp-content/uploads/2021/06/062121_jc_cosmic-filaments_feat-1030x580.jpg)
Cosmic filaments are strands of dark matter and galaxies (illustrated). Scientists now know they rotate, pulling matter into their orbit and toward galaxy clusters at each end.
A. Khalatyan/J. Fohlmeister/AIP