Astronomers discover largest known spinning structures in the universe: Celestial bodies often spin, from planets to stars to galaxies. However, giant clusters of galaxies often spin very slowly, if at all, and so many researchers thought that is where spinning might end on cosmic scales, study co-author Noam Libeskind, a cosmologist at the Leibniz Institute for Astrophysics Potsdam in Germany, told Space.com.  But in the new research, Libeskind and his colleagues found that cosmic filaments, or gigantic tubes made of galaxies, apparently spin. "There are structures so vast that entire galaxies are just specks of dust," Libeskind said. "These huge filaments are much, much bigger than clusters."
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