Far away from the galaxies, at right, is a patch of intergalactic space where many star clusters are forming. (constellation-guide.com)
That is a little like the puzzlement that greeted the discovery of Hanny's Voorwerp, a curious gas cloud found floating in intergalactic space in 2007. (newscientist.com)
This is the first direct insight into turbulence in intergalactic medium. (sciencedaily.com)